Missouri Counties by Population

Below are the 115 Missouri counties sorted by population from largest to smallest. The population data are from the 2022 American Community Survey.

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Rank County Population
1 St. Louis County 999,703
2 Jackson County 715,526
3 St. Charles County 406,262
4 Greene County 299,188
5 St. Louis city/county 298,018
6 Clay County 253,085
7 Jefferson County 226,984
8 Boone County 184,043
9 Jasper County 122,788
10 Cass County 108,205
11 Platte County 107,033
12 Franklin County 104,858
13 Christian County 89,568
14 Buchanan County 84,544
15 Cape Girardeau County 81,703
16 Cole County 76,890
17 St. Francois County 66,814
18 Lincoln County 60,172
19 Newton County 59,019
20 Taney County 56,202
21 Johnson County 54,025
22 Pulaski County 53,726
23 Phelps County 44,843
24 Callaway County 44,517
25 Camden County 43,227
26 Pettis County 43,059
27 Butler County 42,280
28 Howell County 39,960
29 Webster County 39,265
30 Lawrence County 38,231
31 Scott County 38,055
32 Laclede County 36,060
33 Warren County 35,729
34 Barry County 34,701
35 Lafayette County 32,858
36 Polk County 31,877
37 Stone County 31,314
38 Stoddard County 28,656
39 Marion County 28,525
40 Dunklin County 28,174
41 Adair County 25,299
42 Audrain County 24,873
43 Miller County 24,855
44 Texas County 24,828
45 Randolph County 24,652
46 Washington County 23,580
47 McDonald County 23,381
48 Saline County 23,219
49 Ray County 23,122
50 Crawford County 23,023
51 Henry County 22,064
52 Morgan County 21,169
53 Clinton County 21,155
54 Nodaway County 21,140
55 Vernon County 19,777
56 Benton County 19,616
57 Perry County 18,970
58 Ste. Genevieve County 18,494
59 Wright County 18,475
60 Andrew County 18,069
61 Pike County 17,719
62 Dallas County 17,158
63 Cooper County 16,893
64 New Madrid County 16,341
65 Bates County 16,101
66 Pemiscot County 15,555
67 Moniteau County 15,401
68 Macon County 15,173
69 Gasconade County 14,801
70 Dent County 14,509
71 Livingston County 14,402
72 Cedar County 14,314
73 Osage County 13,374
74 Madison County 12,649
75 Mississippi County 12,305
76 Linn County 11,892
77 DeKalb County 11,838
78 Douglas County 11,803
79 Barton County 11,683
80 Montgomery County 11,421
81 Wayne County 11,081
82 Ripley County 10,839
83 Bollinger County 10,658
84 Ralls County 10,356
85 Howard County 10,142
86 Lewis County 9,987
87 Grundy County 9,878
88 Iron County 9,538
89 St. Clair County 9,330
90 Caldwell County 8,876
91 Oregon County 8,783
92 Ozark County 8,688
93 Monroe County 8,668
94 Carroll County 8,513
95 Maries County 8,454
96 Hickory County 8,452
97 Daviess County 8,418
98 Harrison County 8,190
99 Dade County 7,598
100 Chariton County 7,417
101 Shannon County 7,132
102 Clark County 6,693
103 Gentry County 6,219
104 Reynolds County 6,102
105 Shelby County 6,049
106 Sullivan County 5,983
107 Carter County 5,299
108 Atchison County 5,270
109 Scotland County 4,720
110 Putnam County 4,698
111 Holt County 4,274
112 Schuyler County 4,066
113 Knox County 3,772
114 Mercer County 3,517
115 Worth County 1,982

United States Census Bureau. B01001 SEX BY AGE, 2022 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 7 December 2023. http://www.census.gov/.

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