County Census Records
Missouri Counties
116 counties with population data from the decennial US Census, 1790 to 2020.
116 countiespage 1 of 2
Population as of 2020 census
Adair
25,314
Andrew
18,135
Atchison
5,305
Audrain
24,962
Barry
34,534
Barton
11,637
Bates
16,042
Benton
19,394
Bollinger
10,567
Boone
183,610
Buchanan
84,793
Butler
42,130
Caldwell
8,815
Callaway
44,283
Camden
42,745
Cape Girardeau
81,710
Carroll
8,495
Carter
5,202
Cass
107,824
Cedar
14,188
Chariton
7,408
Christian
88,842
Clark
6,634
Clay
253,335
Clinton
21,184
Cole
77,279
Cooper
17,103
Crawford
23,056
Dade
7,569
Dallas
17,071
Daviess
8,430
DeKalb
11,029
Dent
14,421
Dodge
375
Douglas
11,578
Dunklin
28,283
Franklin
104,682
Gasconade
14,794
Gentry
6,162
Greene
298,915
Grundy
9,808
Harrison
8,157
Henry
21,946
Hickory
8,279
Holt
4,223
Howard
10,151
Howell
39,750
Iron
9,537
Jackson
717,204
Jasper
122,761
Jefferson
226,739
Johnson
54,013
Knox
3,744
Laclede
36,039
Lafayette
32,984
Lawrence
38,001
Lewis
10,032
Lincoln
59,574
Linn
11,874
Livingston
14,557
Macon
15,209
Madison
12,626
Maries
8,432
Marion
28,525
McDonald
23,303
Mercer
3,538
Miller
24,722
Mississippi
12,577
Moniteau
15,473
Monroe
8,666
Montgomery
11,322
Morgan
21,006
New Madrid
16,434
Newton
58,648
Nodaway
21,241
Oregon
8,635
Osage
13,274
Ozark
8,553
Pemiscot
15,661
Perry
18,956
Pettis
42,980
Phelps
44,638
Pike
17,587
Platte
106,718
Polk
31,519
Pulaski
53,955
Putnam
4,681
Ralls
10,355
Randolph
24,716
Ray
23,158
Reynolds
6,096
Ripley
10,679
Saline
23,333
Schuyler
4,032
Scotland
4,716
Scott
38,059
Shannon
7,031
Shelby
6,103
St. Charles
405,262
St. Clair
9,284
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