Missouri Population By County in 2011

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2011, the population of Missouri was 6,011,182. Among all Missouri counties, St. Louis[object Promise] had the highest population (1,000,147), followed by Jackson[object Promise] (675,644), and St. Charles[object Promise] (365,614). Worth[object Promise] was the least populated county (2,118).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Missouri Population By County in 2011
Missouri Population By County in 2011
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County Population % of State Population
Adair 25676 0.43
Andrew 17199 0.29
Atchison 5572 0.09
Audrain 25535 0.43
Barry 35348 0.59
Barton 12346 0.21
Bates 16965 0.28
Benton 19046 0.32
Bollinger 12382 0.21
Boone 166287 2.77
Buchanan 89748 1.49
Butler 42996 0.72
Caldwell 9276 0.15
Callaway 44311 0.74
Camden 43851 0.73
Cape Girardeau 76627 1.27
Carroll 9252 0.15
Carter 6330 0.11
Cass 100017 1.66
Cedar 13914 0.23
Chariton 7744 0.13
Christian 78664 1.31
Clark 7028 0.12
Clay 225271 3.75
Clinton 20679 0.34
Cole 76490 1.27
Cooper 17551 0.29
Crawford 24817 0.41
Dade 7765 0.13
Dallas 16689 0.28
Daviess 8289 0.14
DeKalb 12817 0.21
Dent 15620 0.26
Douglas 13636 0.23
Dunklin 32018 0.53
Franklin 101618 1.69
Gasconade 15075 0.25
Gentry 6821 0.11
Greene 277510 4.62
Grundy 10254 0.17
Harrison 8887 0.15
Henry 22254 0.37
Hickory 9614 0.16
Holt 4838 0.08
Howard 10219 0.17
Howell 40578 0.68
Iron 10618 0.18
Jackson 675644 11.24
Jasper 115313 1.92
Jefferson 219605 3.65
Johnson 53417 0.89
Knox 4126 0.07
Laclede 35668 0.59
Lafayette 33213 0.55
Lawrence 38502 0.64
Lewis 10217 0.17
Lincoln 53051 0.88
Linn 12602 0.21
Livingston 15121 0.25
McDonald 22897 0.38
Macon 15473 0.26
Madison 12257 0.20
Maries 9170 0.15
Marion 28786 0.48
Mercer 3774 0.06
Miller 24705 0.41
Mississippi 14241 0.24
Moniteau 15711 0.26
Monroe 8685 0.14
Montgomery 12206 0.20
Morgan 20375 0.34
New Madrid 18758 0.31
Newton 58564 0.97
Nodaway 23439 0.39
Oregon 11049 0.18
Osage 13909 0.23
Ozark 9649 0.16
Pemiscot 18187 0.30
Perry 19000 0.32
Pettis 42147 0.70
Phelps 45260 0.75
Pike 18665 0.31
Platte 90912 1.51
Polk 31203 0.52
Pulaski 53322 0.89
Putnam 4977 0.08
Ralls 10278 0.17
Randolph 25283 0.42
Ray 23345 0.39
Reynolds 6565 0.11
Ripley 14143 0.24
St. Charles 365614 6.08
St. Clair 9694 0.16
Ste. Genevieve 18196 0.30
St. Francois 65596 1.09
St. Louis 1000147 16.64
Saline 23409 0.39
Schuyler 4390 0.07
Scotland 4839 0.08
Scott 39159 0.65
Shannon 8414 0.14
Shelby 6232 0.10
Stoddard 29850 0.50
Stone 32130 0.54
Sullivan 6665 0.11
Taney 52666 0.88
Texas 25935 0.43
Vernon 21090 0.35
Warren 32615 0.54
Washington 25106 0.42
Wayne 13424 0.22
Webster 36451 0.61
Worth 2118 0.04
Wright 18569 0.31
St. Louis city 319417 5.31