Table of Maryland ZIP Codes with list of cities and counties and population for each ZIP Code.| ZIP | City | County | Population |
|---|
| 19973 | Blades town, Bridgeville town, Galestown town, Seaford city | Dorchester County, Sussex County | 25,619 |
| 20601 | Accokeek CDP, Brandywine CDP, Bryantown CDP, Hughesville CDP, Waldorf CDP | Charles County, Prince George's County | 26,740 |
| 20602 | Waldorf CDP | Charles County | 28,277 |
| 20603 | Bensville CDP, Waldorf CDP | Charles County | 31,897 |
| 20606 | | St. Mary's County | 101 |
| 20607 | Accokeek CDP | Charles County, Prince George's County | 11,122 |
| 20608 | Aquasco CDP, Eagle Harbor town | Prince George's County | 734 |
| 20609 | | St. Mary's County | 1,611 |
| 20611 | | Charles County | 1,111 |
| 20612 | Benedict CDP | Charles County | 132 |
| 20613 | Accokeek CDP, Aquasco CDP, Baden CDP, Brandywine CDP, Cedarville CDP, Croom CDP, Rosaryville CDP | Charles County, Prince George's County | 14,595 |
| 20615 | Broomes Island CDP | Calvert County | 583 |
| 20616 | Bryans Road CDP | Charles County | 6,934 |
| 20617 | Bryantown CDP | Charles County | 521 |
| 20618 | | St. Mary's County | 941 |
| 20619 | California CDP, Wildewood CDP | St. Mary's County | 13,244 |
| 20620 | Callaway CDP | St. Mary's County | 1,488 |
| 20621 | | St. Mary's County | 786 |
| 20622 | Charlotte Hall CDP | Charles County, St. Mary's County | 6,005 |
| 20623 | Rosaryville CDP | Prince George's County | 2,534 |
| 20624 | | St. Mary's County | 859 |
| 20625 | Cobb Island CDP | Charles County | 1,065 |
| 20626 | | St. Mary's County | 224 |
| 20628 | | St. Mary's County | 586 |
| 20629 | Solomons CDP | Calvert County | 864 |
| 20630 | | St. Mary's County | 305 |
| 20632 | | Charles County | 656 |
| 20634 | California CDP, Callaway CDP | St. Mary's County | 8,198 |
| 20636 | | St. Mary's County | 10,421 |
| 20637 | Hughesville CDP | Charles County | 6,223 |
| 20639 | Huntingtown CDP, Prince Frederick CDP | Calvert County | 14,853 |
| 20640 | Bryans Road CDP, Indian Head town, Potomac Heights CDP | Charles County | 10,853 |
| 20645 | | Charles County | 711 |
| 20646 | Bensville CDP, Bryans Road CDP, La Plata town, Pomfret CDP, Waldorf CDP | Charles County | 20,608 |
| 20650 | Callaway CDP, Leonardtown town | St. Mary's County | 14,852 |
| 20653 | California CDP, Lexington Park CDP | St. Mary's County | 26,480 |
| 20656 | | St. Mary's County | 84 |
| 20657 | Chesapeake Ranch Estates CDP, Drum Point CDP, Long Beach CDP, Lusby CDP, Solomons CDP | Calvert County | 20,420 |
| 20658 | | Charles County | 929 |
| 20659 | Charlotte Hall CDP, Golden Beach CDP, Mechanicsville CDP | Charles County, St. Mary's County | 23,990 |
| 20660 | | St. Mary's County | 0 |
| 20661 | Cobb Island CDP | Charles County | 0 |
| 20662 | | Charles County | 2,437 |
| 20664 | Cobb Island CDP, Rock Point CDP | Charles County | 3,327 |
| 20667 | | St. Mary's County | 347 |
| 20670 | Lexington Park CDP | St. Mary's County | 1,451 |
| 20674 | Piney Point CDP, St. George Island CDP | St. Mary's County | 1,102 |
| 20675 | Bensville CDP, Pomfret CDP, Waldorf CDP | Charles County | 1,772 |
| 20676 | St. Leonard CDP | Calvert County | 3,036 |
| 20677 | Port Tobacco Village town | Charles County | 2,165 |
| 20678 | Prince Frederick CDP | Calvert County | 12,415 |
| 20680 | | St. Mary's County | 671 |
| 20684 | | St. Mary's County | 775 |
| 20685 | Calvert Beach CDP, Long Beach CDP, St. Leonard CDP | Calvert County | 6,874 |
| 20686 | | St. Mary's County | 1,135 |
| 20687 | | St. Mary's County | 417 |
| 20688 | Solomons CDP | Calvert County | 1,390 |
| 20689 | Chesapeake Beach town | Calvert County | 2,331 |
| 20690 | Piney Point CDP, Tall Timbers CDP | St. Mary's County | 886 |
| 20692 | Tall Timbers CDP | St. Mary's County | 612 |
| 20693 | | Charles County | 1,300 |
| 20695 | Bensville CDP, La Plata town, Waldorf CDP | Charles County | 11,822 |
| 20701 | Jessup CDP | Anne Arundel County, Howard County | 787 |
| 20705 | Beltsville CDP, Calverton CDP, Konterra CDP, South Laurel CDP | Montgomery County, Prince George's County | 27,914 |
| 20706 | East Riverdale CDP, Glenarden city, Glenn Dale CDP, Greenbelt city, Landover CDP, Lanham CDP, Mitchellville CDP, New Carrollton city, Seabrook CDP, Springdale CDP | Prince George's County | 44,305 |
| 20707 | Burtonsville CDP, Calverton CDP, Konterra CDP, Laurel city, South Laurel CDP, West Laurel CDP | Montgomery County, Prince George's County | 36,020 |
| 20708 | Bowie city, Laurel city, South Laurel CDP | Prince George's County | 27,262 |
| 20710 | Bladensburg town, Edmonston town | Prince George's County | 9,699 |
| 20711 | | Anne Arundel County | 7,299 |
| 20712 | Brentwood town, Chillum CDP, Hyattsville city, Mount Rainier city | Prince George's County | 9,784 |
| 20714 | Chesapeake Beach town, North Beach town | Anne Arundel County, Calvert County | 4,678 |
| 20715 | Bowie city, Fairwood CDP, Glenn Dale CDP | Prince George's County | 26,880 |
| 20716 | Bowie city, Fairwood CDP, Queen Anne CDP | Prince George's County | 22,390 |
| 20720 | Bowie city, Fairwood CDP, Glenn Dale CDP, Lanham CDP, Mitchellville CDP | Prince George's County | 26,042 |
| 20721 | Bowie city, Glenarden city, Lake Arbor CDP, Mitchellville CDP, Springdale CDP, Woodmore CDP | Prince George's County | 30,771 |
| 20722 | Bladensburg town, Brentwood town, Colmar Manor town, Cottage City town, North Brentwood town | Prince George's County | 6,116 |
| 20723 | Fulton CDP, North Laurel CDP, Scaggsville CDP | Howard County | 35,342 |
| 20724 | Fort Meade CDP, Maryland City CDP | Anne Arundel County | 18,059 |
| 20732 | Chesapeake Beach town | Calvert County | 10,447 |
| 20733 | Deale CDP, Shady Side CDP | Anne Arundel County | 2,938 |
| 20735 | Accokeek CDP, Andrews AFB CDP, Clinton CDP | Prince George's County | 39,181 |
| 20736 | Chesapeake Beach town, Friendship CDP, North Beach town, Owings CDP | Anne Arundel County, Calvert County | 9,393 |
| 20737 | College Park city, East Riverdale CDP, Edmonston town, Greenbelt city, Hyattsville city, Riverdale Park town, University Park town, Woodlawn CDP | Prince George's County | 23,562 |
| 20740 | Adelphi CDP, Beltsville CDP, Berwyn Heights town, College Park city, Greenbelt city, Riverdale Park town | Prince George's County | 37,168 |
| 20742 | College Park city | Prince George's County | 4,188 |
| 20743 | Capitol Heights town, Cedar Heights CDP, Coral Hills CDP, Fairmount Heights town, Forestville CDP, Largo CDP, Maryland Park CDP, Peppermill Village CDP, Seat Pleasant city, Summerfield CDP, Walker Mill CDP, Westphalia CDP | Prince George's County | 38,742 |
| 20744 | Camp Springs CDP, Clinton CDP, Fort Washington CDP, Friendly CDP, Glassmanor CDP, Marlow Heights CDP, National Harbor CDP, Oxon Hill CDP, Temple Hills CDP | Prince George's County | 56,185 |
| 20745 | Forest Heights town, Glassmanor CDP, Hillcrest Heights CDP, Marlow Heights CDP, National Harbor CDP, Oxon Hill CDP | Prince George's County | 29,736 |
| 20746 | Andrews AFB CDP, Camp Springs CDP, Forestville CDP, Marlow Heights CDP, Morningside town, Silver Hill CDP, Suitland CDP, Westphalia CDP | Prince George's County | 27,669 |
| 20747 | Camp Springs CDP, Coral Hills CDP, District Heights city, Forestville CDP, Suitland CDP, Walker Mill CDP | Prince George's County | 41,445 |
| 20748 | Camp Springs CDP, Clinton CDP, Glassmanor CDP, Hillcrest Heights CDP, Marlow Heights CDP, Oxon Hill CDP, Silver Hill CDP, Temple Hills CDP | Prince George's County | 40,644 |
| 20751 | Deale CDP | Anne Arundel County | 2,055 |
| 20754 | Dunkirk CDP, Friendship CDP | Anne Arundel County, Calvert County | 7,108 |
| 20755 | Fort Meade CDP, Severn CDP | Anne Arundel County | 11,253 |
| 20758 | Friendship CDP | Anne Arundel County, Calvert County | 633 |
| 20759 | Fulton CDP, Highland CDP | Howard County | 5,935 |
| 20762 | Andrews AFB CDP | Prince George's County | 3,419 |
| 20763 | Savage CDP | Howard County | 2,518 |
| 20764 | Shady Side CDP | Anne Arundel County | 3,371 |
| 20765 | Galesville CDP | Anne Arundel County | 548 |
| 20769 | Glenn Dale CDP, Seabrook CDP | Prince George's County | 6,831 |
| 20770 | Berwyn Heights town, Greenbelt city, Seabrook CDP | Prince George's County | 28,820 |
| 20771 | | Prince George's County | 0 |
| 20772 | Baden CDP, Brock Hall CDP, Brown Station CDP, Croom CDP, Marlboro Meadows CDP, Marlboro Village CDP, Marlton CDP, Melwood CDP, Queensland CDP, Rosaryville CDP, Upper Marlboro town, Westphalia CDP | Prince George's County | 53,161 |
| 20774 | Bowie city, Brock Hall CDP, Brown Station CDP, Glenarden city, Kettering CDP, Lake Arbor CDP, Largo CDP, Marlboro Meadows CDP, Marlboro Village CDP, Queen Anne CDP, Springdale CDP, Westphalia CDP | Prince George's County | 50,483 |
| 20776 | | Anne Arundel County | 2,921 |
| 20777 | Ashton-Sandy Spring CDP, Highland CDP | Howard County, Montgomery County | 3,312 |
| 20778 | Galesville CDP, Shady Side CDP | Anne Arundel County | 2,287 |
| 20779 | Deale CDP, Friendship CDP | Anne Arundel County | 1,041 |
| 20781 | Bladensburg town, Cheverly town, Colmar Manor town, Cottage City town, East Riverdale CDP, Edmonston town, Hyattsville city, Riverdale Park town | Prince George's County | 12,940 |
| 20782 | Adelphi CDP, Chillum CDP, College Park city, Hyattsville city, Mount Rainier city, University Park town | Prince George's County | 34,492 |
| 20783 | Adelphi CDP, Beltsville CDP, Chillum CDP, College Park city, Hillandale CDP, Hyattsville city, Langley Park CDP | Montgomery County, Prince George's County | 49,648 |
| 20784 | Bladensburg town, Cheverly town, East Riverdale CDP, Landover CDP, Landover Hills town, New Carrollton city, Seabrook CDP, Woodlawn CDP | Prince George's County | 32,355 |
| 20785 | Cheverly town, Glenarden city, Landover CDP, Summerfield CDP | Prince George's County | 41,655 |
| 20794 | Elkridge CDP, Fort Meade CDP, Jessup CDP, Savage CDP, Severn CDP | Anne Arundel County, Howard County | 17,062 |
| 20812 | Brookmont CDP, Cabin John CDP, Glen Echo town | Montgomery County | 291 |
| 20814 | Bethesda CDP, Chevy Chase CDP, Garrett Park town, North Bethesda CDP, South Kensington CDP | Montgomery County | 29,685 |
| 20815 | Bethesda CDP, Chevy Chase town, Chevy Chase CDP, Chevy Chase Section Five village, Chevy Chase Section Three village, Chevy Chase Village town, Friendship Heights Village CDP, Martin's Additions village, North Chevy Chase village, Silver Spring CDP, Somerset town | Montgomery County | 31,235 |
| 20816 | Bethesda CDP, Brookmont CDP, Glen Echo town, Somerset town | Montgomery County | 17,433 |
| 20817 | Bethesda CDP, Cabin John CDP, North Bethesda CDP, Potomac CDP | Montgomery County | 38,286 |
| 20818 | Cabin John CDP | Montgomery County | 1,934 |
| 20832 | Olney CDP | Montgomery County | 25,852 |
| 20833 | Ashton-Sandy Spring CDP, Brookeville town, Olney CDP | Howard County, Montgomery County | 8,054 |
| 20837 | Poolesville town | Montgomery County | 6,604 |
| 20838 | Barnesville town | Montgomery County | 362 |
| 20839 | | Montgomery County | 161 |
| 20841 | Clarksburg CDP, Germantown CDP, Ten Mile Creek CDP | Montgomery County | 9,760 |
| 20842 | | Frederick County, Montgomery County | 1,824 |
| 20850 | Derwood CDP, Gaithersburg city, North Potomac CDP, Rockville city, Travilah CDP | Montgomery County | 51,707 |
| 20851 | Aspen Hill CDP, North Bethesda CDP, Rockville city | Montgomery County | 14,840 |
| 20852 | North Bethesda CDP, Potomac CDP, Rockville city | Montgomery County | 48,194 |
| 20853 | Aspen Hill CDP, Olney CDP, Rockville city, Wheaton CDP | Montgomery County | 31,670 |
| 20854 | Darnestown CDP, Potomac CDP, Rockville city, Travilah CDP | Montgomery County | 49,684 |
| 20855 | Derwood CDP, Olney CDP, Redland CDP, Rockville city | Montgomery County | 17,123 |
| 20860 | Ashton-Sandy Spring CDP, Olney CDP | Montgomery County | 2,237 |
| 20861 | Ashton-Sandy Spring CDP, Cloverly CDP | Montgomery County | 3,195 |
| 20862 | Ashton-Sandy Spring CDP | Montgomery County | 444 |
| 20866 | Burtonsville CDP, Cloverly CDP, Fairland CDP | Montgomery County | 16,791 |
| 20868 | Burtonsville CDP, Cloverly CDP, Spencerville CDP | Montgomery County | 624 |
| 20871 | Clarksburg CDP, Green Valley CDP, Ten Mile Creek CDP | Frederick County, Montgomery County | 26,366 |
| 20872 | Clarksburg CDP, Damascus CDP | Montgomery County | 12,835 |
| 20874 | Darnestown CDP, Germantown CDP | Montgomery County | 62,270 |
| 20876 | Clarksburg CDP, Germantown CDP | Montgomery County | 25,963 |
| 20877 | Flower Hill CDP, Gaithersburg city, Montgomery Village CDP, Redland CDP, Rockville city, Washington Grove town | Montgomery County | 37,094 |
| 20878 | Darnestown CDP, Gaithersburg city, Germantown CDP, North Potomac CDP, Travilah CDP | Montgomery County | 65,999 |
| 20879 | Flower Hill CDP, Gaithersburg city, Germantown CDP, Montgomery Village CDP, Redland CDP | Montgomery County | 27,244 |
| 20880 | Redland CDP, Washington Grove town | Montgomery County | 700 |
| 20882 | Damascus CDP, Laytonsville town | Montgomery County | 14,301 |
| 20886 | Gaithersburg city, Montgomery Village CDP | Montgomery County | 34,436 |
| 20889 | Bethesda CDP | Montgomery County | 407 |
| 20892 | Bethesda CDP | Montgomery County | 0 |
| 20894 | Bethesda CDP | Montgomery County | 0 |
| 20895 | Bethesda CDP, Chevy Chase View town, Kensington town, North Bethesda CDP, North Kensington CDP, South Kensington CDP, Wheaton CDP | Montgomery County | 19,051 |
| 20896 | Garrett Park town, North Bethesda CDP, South Kensington CDP | Montgomery County | 892 |
| 20899 | Gaithersburg city | Montgomery County | 322 |
| 20901 | Burnt Mills CDP, Forest Glen CDP, Four Corners CDP, Hillandale CDP, Kemp Mill CDP, Silver Spring CDP, Takoma Park city, White Oak CDP | Montgomery County | 36,493 |
| 20902 | Forest Glen CDP, Glenmont CDP, Kemp Mill CDP, North Kensington CDP, Wheaton CDP | Montgomery County | 53,476 |
| 20903 | Adelphi CDP, Burnt Mills CDP, Hillandale CDP, Langley Park CDP, Silver Spring CDP, Takoma Park city, White Oak CDP | Montgomery County, Prince George's County | 26,728 |
| 20904 | Beltsville CDP, Calverton CDP, Cloverly CDP, Colesville CDP, Fairland CDP, Kemp Mill CDP, White Oak CDP | Montgomery County, Prince George's County | 55,912 |
| 20905 | Ashton-Sandy Spring CDP, Burtonsville CDP, Cloverly CDP, Fairland CDP, Layhill CDP, Spencerville CDP | Montgomery County | 17,984 |
| 20906 | Aspen Hill CDP, Cloverly CDP, Glenmont CDP, Layhill CDP, Leisure World CDP, Olney CDP, Wheaton CDP | Montgomery County | 70,985 |
| 20910 | Forest Glen CDP, Silver Spring CDP, South Kensington CDP, Takoma Park city, Wheaton CDP | Montgomery County | 44,812 |
| 20912 | Chillum CDP, Langley Park CDP, Silver Spring CDP, Takoma Park city | Montgomery County, Prince George's County | 26,120 |
| 21001 | Aberdeen city, Perryman CDP, Riverside CDP | Harford County | 25,708 |
| 21005 | Aberdeen city, Aberdeen Proving Ground CDP | Harford County | 2,862 |
| 21009 | Abingdon CDP, Bel Air South CDP, Edgewood CDP, Riverside CDP | Harford County | 31,964 |
| 21010 | Edgewood CDP | Harford County | 272 |
| 21012 | Arnold CDP, Cape St. Claire CDP, Severna Park CDP | Anne Arundel County | 23,536 |
| 21013 | Fallston CDP | Baltimore County, Harford County | 5,297 |
| 21014 | Bel Air town, Bel Air North CDP, Bel Air South CDP, Pleasant Hills CDP | Harford County | 36,247 |
| 21015 | Bel Air North CDP, Bel Air South CDP, Riverside CDP | Harford County | 30,781 |
| 21017 | Riverside CDP | Harford County | 5,816 |
| 21023 | | Baltimore County | 58 |
| 21028 | | Harford County | 2,562 |
| 21029 | Columbia CDP, Fulton CDP, Highland CDP | Howard County | 13,507 |
| 21030 | Cockeysville CDP | Baltimore County | 25,900 |
| 21031 | Cockeysville CDP | Baltimore County | 26 |
| 21032 | Arden on the Severn CDP, Crofton CDP, Crownsville CDP, Herald Harbor CDP | Anne Arundel County | 7,594 |
| 21034 | Darlington CDP | Harford County | 2,988 |
| 21035 | Riva CDP | Anne Arundel County | 8,404 |
| 21036 | | Howard County | 1,995 |
| 21037 | Annapolis Neck CDP, Edgewater CDP, Mayo CDP, Parole CDP, Riva CDP | Anne Arundel County | 21,420 |
| 21040 | Edgewood CDP | Harford County | 24,811 |
| 21042 | Columbia CDP, Ellicott City CDP | Howard County | 42,952 |
| 21043 | Catonsville CDP, Columbia CDP, Ellicott City CDP, Ilchester CDP | Baltimore County, Howard County | 47,358 |
| 21044 | Columbia CDP | Howard County | 44,662 |
| 21045 | Columbia CDP, Ellicott City CDP | Howard County | 40,522 |
| 21046 | Columbia CDP | Howard County | 15,484 |
| 21047 | Bel Air North CDP, Fallston CDP, Jarrettsville CDP, Pleasant Hills CDP | Harford County | 13,279 |
| 21048 | Eldersburg CDP | Carroll County | 10,084 |
| 21050 | Bel Air North CDP, Fallston CDP, Jarrettsville CDP | Harford County | 18,193 |
| 21051 | | Baltimore County | 149 |
| 21052 | Edgemere CDP | Baltimore County | 670 |
| 21053 | | Baltimore County | 3,126 |
| 21054 | Crofton CDP, Gambrills CDP, Odenton CDP | Anne Arundel County | 14,479 |
| 21056 | | Anne Arundel County | 274 |
| 21057 | Carney CDP | Baltimore County | 4,485 |
| 21060 | Glen Burnie CDP, Pasadena CDP, Riviera Beach CDP | Anne Arundel County | 37,038 |
| 21061 | Ferndale CDP, Glen Burnie CDP, Linthicum CDP, Severn CDP | Anne Arundel County | 55,960 |
| 21071 | | Baltimore County | 463 |
| 21074 | Hampstead town | Baltimore County, Carroll County | 14,887 |
| 21075 | Columbia CDP, Elkridge CDP, Ilchester CDP, Jessup CDP | Howard County | 35,516 |
| 21076 | Elkridge CDP, Fort Meade CDP, Severn CDP | Anne Arundel County, Howard County | 19,684 |
| 21077 | Severn CDP | Anne Arundel County | 76 |
| 21078 | Aberdeen city, Havre de Grace city | Harford County | 19,760 |
| 21082 | Pleasant Hills CDP | Baltimore County, Harford County | 740 |
| 21084 | Jarrettsville CDP | Harford County | 7,254 |
| 21085 | Edgewood CDP, Joppatowne CDP, Pleasant Hills CDP | Baltimore County, Harford County | 16,350 |
| 21087 | Kingsville CDP, Perry Hall CDP, Pleasant Hills CDP | Baltimore County, Harford County | 5,740 |
| 21090 | Linthicum CDP | Anne Arundel County | 9,921 |
| 21093 | Cockeysville CDP, Hampton CDP, Lutherville CDP, Mays Chapel CDP, Pikesville CDP, Timonium CDP, Towson CDP | Baltimore County | 39,817 |
| 21102 | Manchester town | Baltimore County, Carroll County | 12,193 |
| 21104 | Eldersburg CDP, Ellicott City CDP | Baltimore County, Carroll County, Howard County | 6,212 |
| 21105 | | Baltimore County | 0 |
| 21108 | Gambrills CDP, Glen Burnie CDP, Odenton CDP, Severna Park CDP | Anne Arundel County | 17,133 |
| 21111 | | Baltimore County, Harford County | 5,155 |
| 21113 | Fort Meade CDP, Odenton CDP, Severn CDP | Anne Arundel County | 35,242 |
| 21114 | Crofton CDP | Anne Arundel County | 25,955 |
| 21117 | Garrison CDP, Owings Mills CDP, Randallstown CDP, Reisterstown CDP | Baltimore County | 59,321 |
| 21120 | | Baltimore County | 7,243 |
| 21122 | Glen Burnie CDP, Lake Shore CDP, Pasadena CDP, Riviera Beach CDP, Severna Park CDP | Anne Arundel County | 61,212 |
| 21128 | Honeygo CDP, Perry Hall CDP, White Marsh CDP | Baltimore County | 14,987 |
| 21130 | Perryman CDP | Harford County | 66 |
| 21131 | Cockeysville CDP | Baltimore County | 7,678 |
| 21132 | Pylesville CDP | Harford County | 3,115 |
| 21133 | Milford Mill CDP, Owings Mills CDP, Randallstown CDP | Baltimore County | 31,383 |
| 21136 | Owings Mills CDP, Reisterstown CDP | Baltimore County, Carroll County | 35,306 |
| 21140 | Riva CDP | Anne Arundel County | 4,063 |
| 21144 | Fort Meade CDP, Gambrills CDP, Odenton CDP, Severn CDP | Anne Arundel County | 36,625 |
| 21146 | Arnold CDP, Severna Park CDP | Anne Arundel County | 28,410 |
| 21152 | | Baltimore County | 6,420 |
| 21153 | Garrison CDP, Pikesville CDP | Baltimore County | 684 |
| 21154 | Pylesville CDP | Harford County | 7,002 |
| 21155 | | Baltimore County, Carroll County | 2,803 |
| 21156 | Kingsville CDP | Baltimore County | 381 |
| 21157 | Westminster city | Carroll County | 39,978 |
| 21158 | Westminster city | Carroll County | 22,221 |
| 21160 | Pylesville CDP | Harford County | 2,809 |
| 21161 | | Baltimore County, Harford County | 5,965 |
| 21162 | Honeygo CDP, Middle River CDP, White Marsh CDP | Baltimore County | 4,640 |
| 21163 | Ellicott City CDP, Randallstown CDP | Baltimore County, Howard County | 6,891 |
| 21201 | Baltimore city | Baltimore city | 17,773 |
| 21202 | Baltimore city | Baltimore city | 21,314 |
| 21204 | Towson CDP | Baltimore County | 21,378 |
| 21205 | Baltimore city | Baltimore city | 15,319 |
| 21206 | Baltimore city, Overlea CDP, Rosedale CDP | Baltimore County, Baltimore city | 51,643 |
| 21207 | Baltimore city, Lochearn CDP, Woodlawn CDP | Baltimore County, Baltimore city | 51,927 |
| 21208 | Baltimore city, Garrison CDP, Lochearn CDP, Milford Mill CDP, Owings Mills CDP, Pikesville CDP, Randallstown CDP, Towson CDP | Baltimore County, Baltimore city | 36,447 |
| 21209 | Baltimore city, Pikesville CDP, Towson CDP | Baltimore County, Baltimore city | 30,146 |
| 21210 | Baltimore city, Towson CDP | Baltimore County, Baltimore city | 15,942 |
| 21211 | Baltimore city | Baltimore city | 16,420 |
| 21212 | Baltimore city, Towson CDP | Baltimore County, Baltimore city | 34,525 |
| 21213 | Baltimore city | Baltimore city | 29,579 |
| 21214 | Baltimore city | Baltimore city | 21,924 |
| 21215 | Baltimore city, Lochearn CDP, Pikesville CDP | Baltimore County, Baltimore city | 52,550 |
| 21216 | Baltimore city | Baltimore city | 27,643 |
| 21217 | Baltimore city | Baltimore city | 31,694 |
| 21218 | Baltimore city | Baltimore city | 47,081 |
| 21219 | Dundalk CDP, Edgemere CDP | Baltimore County | 9,278 |
| 21220 | Bowleys Quarters CDP, Essex CDP, Middle River CDP, Rossville CDP | Baltimore County | 41,627 |
| 21221 | Essex CDP, Middle River CDP, Rosedale CDP | Baltimore County | 43,576 |
| 21222 | Baltimore city, Dundalk CDP, Edgemere CDP | Baltimore County, Baltimore city | 59,622 |
| 21223 | Baltimore city | Baltimore city | 20,531 |
| 21224 | Baltimore city, Dundalk CDP | Baltimore County, Baltimore city | 46,110 |
| 21225 | Baltimore city, Brooklyn Park CDP, Linthicum CDP | Anne Arundel County, Baltimore city | 34,362 |
| 21226 | Baltimore city, Brooklyn Park CDP, Glen Burnie CDP, Pasadena CDP, Riviera Beach CDP | Anne Arundel County, Baltimore city | 6,210 |
| 21227 | Arbutus CDP, Baltimore city, Baltimore Highlands CDP, Catonsville CDP, Lansdowne CDP | Baltimore County, Baltimore city | 34,471 |
| 21228 | Arbutus CDP, Baltimore city, Catonsville CDP, Woodlawn CDP | Baltimore County, Baltimore city | 50,781 |
| 21229 | Arbutus CDP, Baltimore city, Catonsville CDP, Woodlawn CDP | Baltimore County, Baltimore city | 43,933 |
| 21230 | Baltimore city | Baltimore city | 33,995 |
| 21231 | Baltimore city | Baltimore city | 15,746 |
| 21233 | Baltimore city | Baltimore city | 0 |
| 21234 | Baltimore city, Carney CDP, Hampton CDP, Overlea CDP, Parkville CDP, Perry Hall CDP | Baltimore County, Baltimore city | 66,011 |
| 21236 | Baltimore city, Carney CDP, Overlea CDP, Perry Hall CDP, Rosedale CDP, Rossville CDP, White Marsh CDP | Baltimore County, Baltimore city | 39,876 |
| 21237 | Baltimore city, Middle River CDP, Perry Hall CDP, Rosedale CDP, Rossville CDP, White Marsh CDP | Baltimore County, Baltimore city | 30,895 |
| 21239 | Baltimore city, Parkville CDP, Towson CDP | Baltimore County, Baltimore city | 29,619 |
| 21240 | | Anne Arundel County | 0 |
| 21244 | Milford Mill CDP, Randallstown CDP, Woodlawn CDP | Baltimore County | 38,266 |
| 21250 | Catonsville CDP | Baltimore County | 3,022 |
| 21251 | Baltimore city | Baltimore city | 354 |
| 21252 | Towson CDP | Baltimore County | 4,478 |
| 21285 | Towson CDP | Baltimore County | 12 |
| 21286 | Hampton CDP, Parkville CDP, Towson CDP | Baltimore County | 21,119 |
| 21287 | Baltimore city | Baltimore city | 0 |
| 21401 | Annapolis city, Annapolis Neck CDP, Crownsville CDP, Naval Academy CDP, Parole CDP | Anne Arundel County | 39,517 |
| 21402 | Annapolis city, Naval Academy CDP | Anne Arundel County | 5,576 |
| 21403 | Annapolis city, Annapolis Neck CDP, Highland Beach town | Anne Arundel County | 32,655 |
| 21405 | | Anne Arundel County | 450 |
| 21409 | Arnold CDP, Cape St. Claire CDP | Anne Arundel County | 19,878 |
| 21502 | Bel Air CDP, Bier CDP, Bowling Green CDP, Bowmans Addition CDP, Corriganville CDP, Cresaptown CDP, Cumberland city, Ellerslie CDP, La Vale CDP, Pleasant Grove CDP, Potomac Park CDP, Spring Gap CDP | Allegany County | 42,049 |
| 21520 | Accident town | Garrett County | 2,048 |
| 21521 | Barton town, Moscow CDP, Nikep CDP | Allegany County, Garrett County | 1,449 |
| 21523 | Bloomington CDP | Garrett County | 201 |
| 21524 | Corriganville CDP | Allegany County | 741 |
| 21529 | Ellerslie CDP | Allegany County | 557 |
| 21530 | Flintstone CDP | Allegany County | 1,898 |
| 21531 | Friendsville town | Garrett County | 1,880 |
| 21532 | Carlos CDP, Clarysville CDP, Eckhart Mines CDP, Finzel CDP, Frostburg city, Gilmore CDP, Grahamtown CDP, Klondike CDP, Midland town, Midlothian CDP, National CDP, Ocean CDP, Shaft CDP, Vale Summit CDP, Woodland CDP, Zihlman CDP | Allegany County, Garrett County | 13,184 |
| 21536 | Grantsville town, Jennings CDP | Garrett County | 3,855 |
| 21538 | Kitzmiller town | Garrett County | 587 |
| 21539 | Detmold CDP, Gilmore CDP, Lonaconing town, Nikep CDP | Allegany County, Garrett County | 2,396 |
| 21540 | Luke town | Allegany County, Garrett County | 71 |
| 21541 | | Garrett County | 1,500 |
| 21542 | Midland town | Allegany County | 154 |
| 21543 | Midlothian CDP | Allegany County, Garrett County | 335 |
| 21545 | Barrelville CDP, Mount Savage CDP | Allegany County | 1,625 |
| 21550 | Crellin CDP, Deer Park town, Gorman CDP, Hutton CDP, Loch Lynn Heights town, Mountain Lake Park town, Oakland town | Garrett County | 14,160 |
| 21555 | Oldtown CDP, Spring Gap CDP | Allegany County | 1,455 |
| 21557 | Bier CDP, Danville CDP, Dawson CDP, McCoole CDP, Rawlings CDP | Allegany County | 1,516 |
| 21560 | Spring Gap CDP | Allegany County | 8 |
| 21561 | Bloomington CDP, Swanton CDP | Garrett County | 2,355 |
| 21562 | Franklin CDP, McCoole CDP, Westernport town | Allegany County, Garrett County | 3,093 |
| 21601 | Easton town | Talbot County | 23,373 |
| 21607 | Barclay town | Queen Anne's County | 640 |
| 21610 | Betterton town | Kent County | 410 |
| 21612 | | Talbot County | 716 |
| 21613 | Algonquin CDP, Cambridge city | Dorchester County | 17,688 |
| 21617 | Centreville town | Queen Anne's County | 10,270 |
| 21619 | Chester CDP, Kent Narrows CDP | Queen Anne's County | 5,765 |
| 21620 | Chesapeake Landing CDP, Chestertown town, Fairlee CDP, Georgetown CDP, Kingstown CDP, Tolchester CDP | Kent County, Queen Anne's County | 13,083 |
| 21622 | Church Creek town, Fishing Creek CDP | Dorchester County | 645 |
| 21623 | Church Hill town | Queen Anne's County | 2,478 |
| 21624 | | Talbot County | 217 |
| 21625 | Cordova CDP, Queen Anne town | Talbot County | 2,479 |
| 21626 | | Dorchester County | 66 |
| 21627 | | Dorchester County | 23 |
| 21628 | Crumpton CDP | Queen Anne's County | 402 |
| 21629 | Denton town, Hillsboro town, West Denton CDP, Williston CDP | Caroline County | 9,999 |
| 21631 | East New Market town | Dorchester County | 2,770 |
| 21632 | Federalsburg town | Caroline County, Dorchester County | 6,090 |
| 21634 | Fishing Creek CDP | Dorchester County | 372 |
| 21635 | Galena town | Kent County | 1,871 |
| 21636 | Goldsboro town | Caroline County | 912 |
| 21638 | Grasonville CDP, Kent Narrows CDP | Queen Anne's County | 5,125 |
| 21639 | Greensboro town | Caroline County | 4,881 |
| 21640 | Henderson town | Caroline County, Queen Anne's County | 1,627 |
| 21641 | Hillsboro town | Caroline County | 122 |
| 21643 | Hurlock town | Dorchester County | 5,332 |
| 21644 | | Queen Anne's County | 15 |
| 21645 | Kennedyville CDP | Kent County | 1,319 |
| 21647 | | Talbot County | 447 |
| 21648 | Madison CDP | Dorchester County | 116 |
| 21649 | Henderson town, Marydel town, Templeville town | Caroline County, Queen Anne's County | 2,276 |
| 21650 | | Kent County | 238 |
| 21651 | Millington town | Kent County, Queen Anne's County | 2,488 |
| 21652 | | Talbot County | 156 |
| 21653 | | Talbot County | 100 |
| 21654 | Oxford town | Talbot County | 1,183 |
| 21655 | Choptank CDP, Preston town | Caroline County, Dorchester County | 4,679 |
| 21657 | Queen Anne town | Caroline County, Queen Anne's County, Talbot County | 1,226 |
| 21658 | Grasonville CDP, Queenstown town | Queen Anne's County | 3,678 |
| 21659 | Brookview town, Eldorado town, Galestown town | Dorchester County | 1,163 |
| 21660 | Ridgely town | Caroline County | 3,942 |
| 21661 | Edesville CDP, Rock Hall town | Kent County | 2,667 |
| 21662 | | Talbot County | 641 |
| 21663 | St. Michaels town | Talbot County | 3,512 |
| 21664 | Secretary town | Dorchester County | 648 |
| 21665 | Tilghman Island CDP | Talbot County | 151 |
| 21666 | Chester CDP, Romancoke CDP, Stevensville CDP | Queen Anne's County | 13,738 |
| 21667 | Still Pond CDP | Kent County | 226 |
| 21668 | Sudlersville town | Queen Anne's County | 1,645 |
| 21669 | Taylors Island CDP | Dorchester County | 149 |
| 21671 | Tilghman Island CDP | Talbot County | 816 |
| 21672 | | Dorchester County | 162 |
| 21673 | Trappe town | Talbot County | 2,875 |
| 21675 | | Dorchester County | 62 |
| 21676 | | Talbot County | 347 |
| 21677 | Madison CDP | Dorchester County | 570 |
| 21678 | Butlertown CDP, Worton CDP | Kent County | 1,704 |
| 21679 | | Queen Anne's County, Talbot County | 261 |
| 21701 | Ballenger Creek CDP, Frederick city, Libertytown CDP, Linganore CDP, Spring Ridge CDP | Frederick County | 40,203 |
| 21702 | Braddock Heights CDP, Frederick city | Frederick County | 44,783 |
| 21703 | Ballenger Creek CDP, Braddock Heights CDP, Buckeystown CDP, Frederick city | Frederick County | 39,438 |
| 21704 | Ballenger Creek CDP, Bartonsville CDP, Buckeystown CDP, Frederick city, Urbana CDP | Frederick County | 17,372 |
| 21705 | Frederick city | Frederick County | 6 |
| 21710 | Adamstown CDP, Buckeystown CDP | Frederick County | 4,960 |
| 21711 | Big Pool CDP, Ernstville CDP, Indian Springs CDP, Pecktonville CDP | Washington County | 1,087 |
| 21713 | Bakersville CDP, Beaver Creek CDP, Boonsboro town, Breathedsville CDP, Fairplay CDP, Keedysville town, Mapleville CDP, Mount Lena CDP, San Mar CDP, Tilghmanton CDP | Washington County | 9,630 |
| 21714 | Braddock Heights CDP | Frederick County | 292 |
| 21715 | Brownsville CDP | Washington County | 34 |
| 21716 | Brunswick city, Rosemont village | Frederick County | 6,594 |
| 21717 | Buckeystown CDP | Frederick County | 181 |
| 21718 | Burkittsville town | Frederick County | 131 |
| 21719 | Fort Ritchie CDP, Highfield-Cascade CDP, Sabillasville CDP | Frederick County, Washington County | 971 |
| 21722 | Big Spring CDP, Charlton CDP, Clear Spring town, Fairview CDP, Indian Springs CDP, Wilson-Conococheague CDP | Washington County | 6,296 |
| 21723 | | Howard County | 725 |
| 21727 | Emmitsburg town | Frederick County | 6,873 |
| 21733 | Fairplay CDP, St. James CDP, Tilghmanton CDP | Washington County | 914 |
| 21734 | Funkstown town | Washington County | 889 |
| 21737 | | Howard County | 2,353 |
| 21738 | | Howard County | 4,185 |
| 21740 | Bagtown CDP, Beaver Creek CDP, Cearfoss CDP, Fairview CDP, Funkstown town, Hagerstown city, Halfway CDP, Kemps Mill CDP, Maugansville CDP, Mount Aetna CDP, Robinwood CDP, St. James CDP, Wilson-Conococheague CDP | Washington County | 63,413 |
| 21742 | Fountainhead-Orchard Hills CDP, Hagerstown city, Jugtown CDP, Leitersburg CDP, Middleburg CDP, Mount Aetna CDP, Paramount-Long Meadow CDP, Pondsville CDP, Reid CDP, Ringgold CDP, Robinwood CDP | Washington County | 34,190 |
| 21746 | | Washington County | 3,399 |
| 21750 | Hancock town, Pecktonville CDP | Washington County | 3,782 |
| 21754 | Bartonsville CDP, Green Valley CDP, Linganore CDP, Monrovia CDP, New Market town, Spring Ridge CDP, Urbana CDP | Frederick County | 6,847 |
| 21755 | Braddock Heights CDP, Burkittsville town, Jefferson CDP | Frederick County | 5,697 |
| 21756 | Eakles Mill CDP, Keedysville town, Mount Briar CDP, Rohrersville CDP, Trego-Rohrersville Station CDP | Washington County | 3,069 |
| 21757 | Woodsboro town | Carroll County, Frederick County | 2,604 |
| 21758 | Brownsville CDP, Brunswick city, Garretts Mill CDP, Rosemont village, Sandy Hook CDP, Yarrowsburg CDP | Frederick County, Washington County | 4,454 |
| 21762 | Libertytown CDP | Frederick County | 184 |
| 21766 | Little Orleans CDP | Allegany County | 522 |
| 21767 | Maugansville CDP | Washington County | 592 |
| 21769 | Braddock Heights CDP, Middletown town | Frederick County, Washington County | 12,486 |
| 21770 | Green Valley CDP, Monrovia CDP, New Market town | Frederick County | 7,291 |
| 21771 | Green Valley CDP, Mount Airy town | Carroll County, Frederick County, Howard County, Montgomery County | 31,755 |
| 21773 | Myersville town | Frederick County | 5,357 |
| 21774 | Linganore CDP, New Market town | Frederick County | 14,450 |
| 21776 | New Windsor town | Carroll County, Frederick County | 6,146 |
| 21777 | Point of Rocks CDP | Frederick County | 2,277 |
| 21778 | | Frederick County | 681 |
| 21779 | Gapland CDP, Rohrersville CDP | Washington County | 1,759 |
| 21780 | Sabillasville CDP | Frederick County, Washington County | 2,024 |
| 21781 | St. James CDP | Washington County | 43 |
| 21782 | Antietam CDP, Bakersville CDP, Dargan CDP, Mercersville CDP, Sharpsburg town | Washington County | 4,358 |
| 21783 | Cavetown CDP, Chewsville CDP, Edgemont CDP, Greensburg CDP, Jugtown CDP, Pondsville CDP, Ringgold CDP, Smithsburg town | Frederick County, Washington County | 9,793 |
| 21784 | Eldersburg CDP, Sykesville town | Carroll County, Howard County | 36,809 |
| 21787 | Taneytown city | Carroll County, Frederick County | 10,697 |
| 21788 | Graceham CDP, Lewistown CDP, Thurmont town | Frederick County | 11,598 |
| 21790 | Point of Rocks CDP | Frederick County | 11 |
| 21791 | Libertytown CDP, Union Bridge town | Carroll County, Frederick County | 4,794 |
| 21793 | Walkersville town, Woodsboro town | Frederick County | 10,862 |
| 21794 | | Howard County | 2,162 |
| 21795 | Downsville CDP, Halfway CDP, Kemps Mill CDP, Pinesburg CDP, Williamsport town, Wilson-Conococheague CDP | Washington County | 9,292 |
| 21797 | Eldersburg CDP, Lisbon CDP | Carroll County, Howard County, Montgomery County | 8,755 |
| 21798 | Woodsboro town | Frederick County | 2,627 |
| 21801 | Fruitland city, Salisbury city | Wicomico County, Worcester County | 30,692 |
| 21804 | Fruitland city, Salisbury city | Wicomico County, Worcester County | 38,566 |
| 21810 | Allen CDP | Wicomico County | 433 |
| 21811 | Berlin town, Newark CDP, Ocean Pines CDP, West Ocean City CDP, Whaleyville CDP | Worcester County | 24,187 |
| 21813 | Bishopville CDP | Worcester County | 2,662 |
| 21814 | Bivalve CDP, Jesterville CDP | Wicomico County | 180 |
| 21817 | Crisfield city | Somerset County | 4,146 |
| 21821 | Chance CDP, Dames Quarter CDP, Deal Island CDP | Somerset County | 732 |
| 21822 | Allen CDP, Eden CDP, Fruitland city | Somerset County, Wicomico County, Worcester County | 2,364 |
| 21824 | Smith Island CDP | Somerset County | 143 |
| 21826 | Fruitland city | Wicomico County | 5,460 |
| 21829 | Girdletree CDP, Stockton CDP | Worcester County | 365 |
| 21830 | Hebron town, Quantico CDP | Wicomico County | 4,529 |
| 21835 | | Dorchester County | 328 |
| 21837 | Mardela Springs town | Wicomico County | 3,164 |
| 21838 | | Somerset County | 1,931 |
| 21840 | Jesterville CDP, Nanticoke CDP, Nanticoke Acres CDP, Waterview CDP | Wicomico County | 465 |
| 21841 | Newark CDP | Worcester County | 1,085 |
| 21842 | Ocean City town, West Ocean City CDP | Worcester County | 10,960 |
| 21849 | Parsonsburg CDP | Wicomico County | 3,794 |
| 21850 | Pittsville town, Powellville CDP | Wicomico County | 3,405 |
| 21851 | Pocomoke City city, West Pocomoke CDP | Somerset County, Worcester County | 7,364 |
| 21853 | Dames Quarter CDP, Mount Vernon CDP, Princess Anne town | Somerset County | 10,510 |
| 21856 | Quantico CDP, Tyaskin CDP, Whitehaven CDP | Wicomico County | 1,145 |
| 21861 | Sharptown town | Wicomico County | 738 |
| 21862 | | Worcester County | 0 |
| 21863 | Snow Hill town | Worcester County | 4,904 |
| 21864 | Stockton CDP | Worcester County | 640 |
| 21865 | Bivalve CDP, Tyaskin CDP, Whitehaven CDP | Wicomico County | 358 |
| 21866 | Smith Island CDP | Somerset County | 95 |
| 21867 | Fairmount CDP | Somerset County | 0 |
| 21869 | Elliott CDP, Vienna town | Dorchester County | 990 |
| 21871 | Fairmount CDP, Frenchtown-Rumbly CDP, West Pocomoke CDP | Somerset County | 1,799 |
| 21872 | Whaleyville CDP | Worcester County | 573 |
| 21875 | Delmar town, Salisbury city | Wicomico County | 7,052 |
| 21890 | | Somerset County | 3,699 |
| 21901 | Charlestown town, North East town | Cecil County | 18,635 |
| 21902 | Perryville town | Cecil County | 216 |
| 21903 | Perryville town | Cecil County | 5,658 |
| 21904 | Perryville town, Port Deposit town | Cecil County | 6,386 |
| 21911 | Rising Sun town | Cecil County | 11,108 |
| 21912 | Cecilton town | Cecil County, New Castle County | 1,393 |
| 21913 | Cecilton town | Cecil County | 935 |
| 21914 | Charlestown town | Cecil County | 725 |
| 21915 | Chesapeake City town | Cecil County | 2,776 |
| 21917 | | Cecil County | 1,983 |
| 21918 | | Cecil County | 4,428 |
| 21919 | | Cecil County | 3,400 |
| 21920 | | Cecil County | 910 |
| 21921 | Elkton town, North East town | Cecil County | 44,793 |
| 21930 | | Cecil County | 24 |
How many ZIP Codes are in Maryland?
There are 477 ZIP Codes in Maryland.
What is the largest ZIP Code by population in the Maryland?
The largest ZIP Code in Maryland is 20906 with a population of 70,985.
TOP-5 ZIP codes by population in Maryland:
- 20906
- 21234
- 20878
- 21740
- 20874