St. Louis County, Missouri demographics
Median household income: 72,562
Demographics, population, home values, social and economic characteristics of St. Louis County, Missouri.
Population
| 2021 | 1,001,982 |
| 2020 | 996,179 |
| 2019 | 996,919 |
| 2018 | 998,684 |
| 2017 | 999,539 |
| 2016 | 1,000,560 |
| 2015 | 1,001,327 |
| 2014 | 1,000,423 |
| 2013 | 999,725 |
| 2012 | 999,147 |
| 2011 | 998,760 |
| 2010 | 999,454 |
| 2009 | 994,923 |
St. Louis County, MO cities
Affton CDP - 18,925
Ballwin city - 30,998
Bel-Nor village - 1,449
Bel-Ridge village - 2,944
Bella Villa city - 679
Bellefontaine Neighbors city - 10,702
Berkeley city - 8,310
Beverly Hills city - 462
Black Jack city - 6,663
Breckenridge Hills city - 4,493
Brentwood city - 8,198
Bridgeton city - 11,417
Calverton Park city - 1,273
Castle Point CDP - 2,989
Champ village - 5
Charlack city - 2,094
Chesterfield city - 49,675
Clarkson Valley city - 2,608
Clayton city - 16,905
Concord CDP - 18,760
Cool Valley city - 1,014
Country Club Hills city - 1,114
Country Life Acres village - 94
Crestwood city - 12,347
Creve Coeur city - 18,648
Crystal Lake Park city - 451
Dellwood city - 4,925
Des Peres city - 9,096
Edmundson city - 1,105
Ellisville city - 9,908
Eureka city - 11,663
Fenton city - 4,000
Ferguson city - 18,826
Flordell Hills city - 1,338
Florissant city - 52,382
Frontenac city - 3,614
Glasgow Village CDP - 5,036
Glen Echo Park village - 103
Glendale city - 6,143
Grantwood Village town - 872
Green Park city - 2,683
Greendale city - 839
Hanley Hills village - 1,811
Hazelwood city - 25,466
Hillsdale village - 934
Huntleigh city - 401
Jennings city - 13,129
Kinloch city - 291
Kirkwood city - 29,233
Ladue city - 8,949
Lakeshire city - 1,349
Lemay CDP - 16,312
Manchester city - 18,308
Maplewood city - 8,220
Marlborough village - 2,753
Maryland Heights city - 28,141
Mehlville CDP - 28,672
Moline Acres city - 2,995
Normandy city - 4,328
Northwoods city - 3,738
Norwood Court town - 984
Oakland city - 1,473
Oakville CDP - 35,357
Old Jamestown CDP - 20,382
Olivette city - 8,408
Overland city - 15,908
Pacific city - 6,898
Pagedale city - 2,648
Pasadena Hills city - 1,073
Pasadena Park village - 655
Pine Lawn city - 2,820
Richmond Heights city - 9,188
Riverview village - 3,092
Rock Hill city - 4,728
Sappington CDP - 7,119
Shrewsbury city - 6,362
Spanish Lake CDP - 17,721
St. Ann city - 13,007
St. George CDP - 2,046
St. John city - 6,617
Sunset Hills city - 9,062
Sycamore Hills village - 685
Town and Country city - 11,440
Twin Oaks village - 545
University City city - 34,953
Uplands Park village - 368
Valley Park city - 6,864
Velda City city - 1,282
Velda Village Hills city - 841
Vinita Park city - 1,666
Warson Woods city - 2,229
Webster Groves city - 23,817
Wellston city - 1,859
Westwood village - 333
Wilbur Park village - 403
Wildwood city - 35,384
Winchester city - 1,909
Woodson Terrace city - 3,971
Census data for St. Louis County, Missouri
Demographic and housing estimates in St. Louis County, Missouri
| Total population | 1,001,982 |
| Male | 478,618 |
| Female | 523,364 |
| Total population | 1,001,982 |
| Under 5 years | 58,253 |
| 5 to 9 years | 59,845 |
| 10 to 14 years | 65,102 |
| 15 to 19 years | 63,586 |
| 20 to 24 years | 59,670 |
| 25 to 34 years | 127,321 |
| 35 to 44 years | 123,260 |
| 45 to 54 years | 123,041 |
| 55 to 59 years | 70,554 |
| 60 to 64 years | 70,675 |
| 65 to 74 years | 104,488 |
| 75 to 84 years | 51,286 |
| 85 years and over | 24,901 |
| Median age (years) | 40.3 |
| Under 18 years | 222,848 |
| 16 years and over | 805,813 |
| 18 years and over | 779,134 |
| 21 years and over | 745,537 |
| 62 years and over | 222,418 |
| 65 years and over | 180,675 |
| Total population | 1,001,982 |
| One race | 955,222 |
| White | 653,837 |
| Black or African American | 242,234 |
| American Indian and Alaska Native | 1,074 |
| Asian | 45,546 |
| Native Hawaiian and Other Pacific Islander | 228 |
| Some other race | 12,303 |
| Two or more races | 46,760 |
| Citizen, VOTING AGE 18 and over population | 749,767 |
| Male Citizen, VOTING AGE 18 and over population | 349,333 |
| Female Citizen, VOTING AGE 18 and over population | 400,434 |
Social characteristics in St. Louis County, Missouri
| Total households | 412,858 |
| Family households (families) | 189,322 |
| Married-couple family | 22,345 |
| Male householder, no wife present, family | 70,363 |
| Female householder, no husband present, family | 52,181 |
| Nonfamily households | 130,828 |
| Average household size | 129,088 |
| Average family size | 2.38 |
Economic characteristics in St. Louis County, Missouri
| Total households | 412,858 |
| Less than $10,000 | 18,880 |
| $10,000 to $14,999 | 11,955 |
| $15,000 to $24,999 | 28,418 |
| $25,000 to $34,999 | 33,696 |
| $35,000 to $49,999 | 48,139 |
| $50,000 to $74,999 | 71,605 |
| $75,000 to $99,999 | 52,278 |
| $100,000 to $149,999 | 66,024 |
| $150,000 to $199,999 | 32,986 |
| $200,000 or more | 48,877 |
| Median household income (dollars) | 72,562 |
Housing characteristics in St. Louis County, Missouri
| Total housing units | 444,146 |
| Occupied housing units | 412,858 |
| Vacant housing units | 31,288 |
| Total housing units | 444,146 |
| 1-unit, detached | 321,095 |
| 1-unit, attached | 20,078 |
| 2 units | 6,819 |
| 3 or 4 units | 22,216 |
| 5 to 9 units | 25,674 |
| 10 to 19 units | 21,705 |
| 20 or more units | 25,349 |
| Mobile home | 1,127 |
| Boat, RV, van, etc. | 83 |
| Total housing units | 444,146 |
| Built 2014 or later | 388 |
| Built 2010 to 2013 | 12,290 |
| Built 2000 to 2009 | 26,970 |
| Built 1990 to 1999 | 41,240 |
| Built 1980 to 1989 | 52,149 |
| Built 1970 to 1979 | 72,723 |
| Built 1960 to 1969 | 83,531 |
| Built 1950 to 1959 | 83,280 |
| Built 1940 to 1949 | 29,172 |
| Built 1939 or earlier | 42,403 |
| Total housing units | 444,146 |
| 1 room | 4,274 |
| 2 rooms | 7,650 |
| 3 rooms | 30,189 |
| 4 rooms | 64,026 |
| 5 rooms | 81,853 |
| 6 rooms | 79,653 |
| 7 rooms | 56,517 |
| 8 rooms | 48,513 |
| 9 rooms or more | 71,471 |
| Median rooms | 5.9 |
| Total housing units | 444,146 |
| No bedroom | 4,696 |
| 1 bedroom | 42,650 |
| 2 bedrooms | 121,066 |
| 3 bedrooms | 165,313 |
| 4 bedrooms | 89,678 |
| 5 or more bedrooms | 20,743 |
| Occupied housing units | 412,858 |
| Owner-occupied | 284,111 |
| Renter-occupied | 128,747 |
| Average household size of owner-occupied unit | 2.50 |
| Average household size of renter-occupied unit | 2.14 |
| Occupied housing units | 412,858 |
| Moved in 2017 or later | 37,558 |
| Moved in 2015 to 2016 | 116,813 |
| Moved in 2010 to 2014 | 62,910 |
| Moved in 2000 to 2009 | 84,443 |
| Moved in 1990 to 1999 | 51,562 |
| Moved in 1989 and earlier | 59,572 |
| Owner-occupied units | 284,111 |
| Less than $50,000 | 11,970 |
| $50,000 to $99,999 | 36,660 |
| $100,000 to $149,999 | 41,666 |
| $150,000 to $199,999 | 39,318 |
| $200,000 to $299,999 | 58,128 |
| $300,000 to $499,999 | 60,539 |
| $500,000 to $999,999 | 29,192 |
| $1,000,000 or more | 6,638 |
| Median (dollars) | 220,100 |
| Owner-occupied units | 284,111 |
| Housing units with a mortgage | 187,274 |
| Housing units without a mortgage | 96,837 |
| Occupied units paying rent | 123,907 |
| Less than $500 | 5,372 |
| $500 to $999 | 52,549 |
| $1,000 to $1,499 | 47,853 |
| $1,500 to $1,999 | 11,275 |
| $2,000 to $2,499 | 3,604 |
| $2,500 to $2,999 | 789 |
| $3,000 or more | 2,465 |
| Median (dollars) | 1,032 |
| No rent paid | 4,840 |
Demographic data for St. Louis County, MO and each city in the county. Lists of cities by population, wealth and poverty in St. Louis County, MO.