Missouri Counties by Population

Below are the 115 Missouri counties sorted by population from largest to smallest. The population data are from the 2021 American Community Survey. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

Rank County Population
1 St. Louis County 1,001,982
2 Jackson County 713,229
3 St. Charles County 402,377
4 St. Louis city/county 302,787
5 Greene County 296,875
6 Clay County 250,134
7 Jefferson County 225,913
8 Boone County 182,170
9 Jasper County 122,059
10 Cass County 106,966
11 Platte County 105,189
12 Franklin County 104,331
13 Christian County 87,824
14 Buchanan County 85,545
15 Cape Girardeau County 81,086
16 Cole County 77,412
17 St. Francois County 67,168
18 Lincoln County 58,689
19 Newton County 58,634
20 Taney County 55,854
21 Johnson County 53,889
22 Pulaski County 53,460
23 Phelps County 44,692
24 Callaway County 44,449
25 Camden County 43,053
26 Pettis County 42,919
27 Butler County 42,314
28 Howell County 39,753
29 Webster County 38,978
30 Scott County 38,161
31 Lawrence County 38,123
32 Laclede County 35,898
33 Warren County 35,033
34 Barry County 34,648
35 Lafayette County 32,752
36 Polk County 31,541
37 Stone County 31,018
38 Stoddard County 28,812
39 Dunklin County 28,592
40 Marion County 28,564
41 Adair County 25,339
42 Audrain County 25,223
43 Randolph County 24,880
44 Texas County 24,866
45 Miller County 24,643
46 Washington County 23,791
47 Saline County 23,278
48 McDonald County 23,267
49 Crawford County 23,204
50 Ray County 23,080
51 Henry County 21,884
52 Nodaway County 21,571
53 Clinton County 21,095
54 Morgan County 20,883
55 Vernon County 19,831
56 Benton County 19,351
57 Perry County 19,007
58 Ste. Genevieve County 18,406
59 Wright County 18,244
60 Pike County 18,052
61 Andrew County 18,023
62 Cooper County 17,397
63 Dallas County 16,946
64 New Madrid County 16,658
65 Bates County 16,100
66 Pemiscot County 15,949
67 Moniteau County 15,723
68 Macon County 15,222
69 Livingston County 15,001
70 Gasconade County 14,803
71 Dent County 14,585
72 Cedar County 14,184
73 Osage County 13,372
74 Mississippi County 12,976
75 Madison County 12,597
76 Linn County 11,962
77 Douglas County 11,808
78 Barton County 11,712
79 DeKalb County 11,639
80 Montgomery County 11,384
81 Wayne County 11,298
82 Ripley County 11,032
83 Bollinger County 10,758
84 Ralls County 10,318
85 Howard County 10,147
86 Lewis County 10,031
87 Grundy County 9,901
88 Iron County 9,606
89 St. Clair County 9,235
90 Oregon County 8,891
91 Caldwell County 8,856
92 Ozark County 8,664
93 Monroe County 8,643
94 Carroll County 8,564
95 Maries County 8,457
96 Hickory County 8,429
97 Daviess County 8,427
98 Harrison County 8,229
99 Dade County 7,584
100 Chariton County 7,432
101 Shannon County 7,185
102 Clark County 6,649
103 Gentry County 6,231
104 Reynolds County 6,138
105 Shelby County 6,087
106 Sullivan County 6,045
107 Carter County 5,365
108 Atchison County 5,312
109 Scotland County 4,760
110 Putnam County 4,715
111 Holt County 4,295
112 Schuyler County 4,094
113 Knox County 3,782
114 Mercer County 3,561
115 Worth County 2,004

United States Census Bureau. B01001 SEX BY AGE, 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022. http://www.census.gov/.

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