Missouri

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Missouri counties by population

Number of counties: 115
Population: 6,141,534
Largest county: St. Louis County
Table of counties in Missouri sorted by population from largest to smallest.
CountyPopulation
St. Louis County1,001,982
Jackson County713,229
St. Charles County402,377
St. Louis city302,787
Greene County296,875
Clay County250,134
Jefferson County225,913
Boone County182,170
Jasper County122,059
Cass County106,966
Platte County105,189
Franklin County104,331
Christian County87,824
Buchanan County85,545
Cape Girardeau County81,086
Cole County77,412
St. Francois County67,168
Lincoln County58,689
Newton County58,634
Taney County55,854
Johnson County53,889
Pulaski County53,460
Phelps County44,692
Callaway County44,449
Camden County43,053
Pettis County42,919
Butler County42,314
Howell County39,753
Webster County38,978
Scott County38,161
Lawrence County38,123
Laclede County35,898
Warren County35,033
Barry County34,648
Lafayette County32,752
Polk County31,541
Stone County31,018
Stoddard County28,812
Dunklin County28,592
Marion County28,564
Adair County25,339
Audrain County25,223
Randolph County24,880
Texas County24,866
Miller County24,643
Washington County23,791
Saline County23,278
McDonald County23,267
Crawford County23,204
Ray County23,080
Henry County21,884
Nodaway County21,571
Clinton County21,095
Morgan County20,883
Vernon County19,831
Benton County19,351
Perry County19,007
Ste. Genevieve County18,406
Wright County18,244
Pike County18,052
Andrew County18,023
Cooper County17,397
Dallas County16,946
New Madrid County16,658
Bates County16,100
Pemiscot County15,949
Moniteau County15,723
Macon County15,222
Livingston County15,001
Gasconade County14,803
Dent County14,585
Cedar County14,184
Osage County13,372
Mississippi County12,976
Madison County12,597
Linn County11,962
Douglas County11,808
Barton County11,712
DeKalb County11,639
Montgomery County11,384
Wayne County11,298
Ripley County11,032
Bollinger County10,758
Ralls County10,318
Howard County10,147
Lewis County10,031
Grundy County9,901
Iron County9,606
St. Clair County9,235
Oregon County8,891
Caldwell County8,856
Ozark County8,664
Monroe County8,643
Carroll County8,564
Maries County8,457
Hickory County8,429
Daviess County8,427
Harrison County8,229
Dade County7,584
Chariton County7,432
Shannon County7,185
Clark County6,649
Gentry County6,231
Reynolds County6,138
Shelby County6,087
Sullivan County6,045
Carter County5,365
Atchison County5,312
Scotland County4,760
Putnam County4,715
Holt County4,295
Schuyler County4,094
Knox County3,782
Mercer County3,561
Worth County2,004

What is the largest county in Missouri?

St. Louis County is the largest county in Missouri with a population of 1,001,982.

TOP-5 counties by population in Missouri:
  • St. Louis County
  • Jackson County
  • St. Charles County
  • St. Louis city
  • Greene County