Missouri Population By County in 2022

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2022, the population of Missouri was 6,179,414. Among all Missouri counties, St. Louis had the highest population (991,881), followed by Jackson (716,580), and St. Charles (414,055). Worth was the least populated county (1,943).

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.

See this for other years:
Missouri Population By County in 2022
Missouri Population By County in 2022
Items per page:
0 of 0
County Population % of State Population
Adair 25155 0.41
Andrew 18008 0.29
Atchison 5163 0.08
Audrain 24455 0.40
Barry 34931 0.56
Barton 11695 0.19
Bates 16156 0.26
Benton 20216 0.33
Bollinger 10510 0.17
Boone 187743 3.04
Buchanan 82956 1.34
Butler 42150 0.68
Caldwell 8939 0.14
Callaway 44760 0.72
Camden 43779 0.71
Cape Girardeau 82940 1.34
Carroll 8410 0.14
Carter 5267 0.09
Cass 110345 1.79
Cedar 14612 0.24
Chariton 7395 0.12
Christian 93130 1.51
Clark 6714 0.11
Clay 257037 4.16
Clinton 21339 0.35
Cole 76977 1.25
Cooper 16741 0.27
Crawford 22622 0.37
Dade 7679 0.12
Dallas 17610 0.28
Daviess 8455 0.14
DeKalb 11307 0.18
Dent 14471 0.23
Douglas 11967 0.19
Dunklin 27444 0.44
Franklin 105865 1.71
Gasconade 14800 0.24
Gentry 6291 0.10
Greene 303336 4.91
Grundy 9828 0.16
Harrison 8213 0.13
Henry 22404 0.36
Hickory 8576 0.14
Holt 4265 0.07
Howard 10169 0.17
Howell 40612 0.66
Iron 9411 0.15
Jackson 716580 11.60
Jasper 123969 2.01
Jefferson 229268 3.71
Johnson 54423 0.88
Knox 3777 0.06
Laclede 36330 0.59
Lafayette 32937 0.53
Lawrence 38672 0.63
Lewis 9888 0.16
Lincoln 63184 1.02
Linn 11842 0.19
Livingston 14365 0.23
McDonald 23623 0.38
Macon 15084 0.24
Madison 12763 0.21
Maries 8434 0.14
Marion 28489 0.46
Mercer 3469 0.06
Miller 25384 0.41
Mississippi 11683 0.19
Moniteau 15241 0.25
Monroe 8650 0.14
Montgomery 11463 0.19
Morgan 21781 0.35
New Madrid 15686 0.25
Newton 60107 0.97
Nodaway 20690 0.34
Oregon 8709 0.14
Osage 13399 0.22
Ozark 8970 0.14
Pemiscot 14880 0.24
Perry 18882 0.31
Pettis 43381 0.70
Phelps 45301 0.73
Pike 17650 0.29
Platte 110593 1.79
Polk 32669 0.53
Pulaski 53824 0.87
Putnam 4653 0.08
Ralls 10419 0.17
Randolph 24619 0.40
Ray 23119 0.37
Reynolds 5994 0.10
Ripley 10699 0.17
St. Charles 414055 6.70
St. Clair 9581 0.16
Ste. Genevieve 18614 0.30
St. Francois 66938 1.08
St. Louis 991881 16.05
Saline 23016 0.37
Schuyler 4016 0.07
Scotland 4653 0.08
Scott 37869 0.61
Shannon 7223 0.12
Shelby 6004 0.10
Stoddard 28366 0.46
Stone 32137 0.52
Sullivan 5828 0.09
Taney 56736 0.92
Texas 25298 0.41
Vernon 19608 0.32
Warren 37292 0.60
Washington 23389 0.38
Wayne 10807 0.18
Webster 40369 0.65
Worth 1943 0.03
Wright 19108 0.31
St. Louis city 286292 4.63