Missouri / Counties by Population

Missouri Counties by Population

Below are the 115 Missouri counties sorted by population from 1 to 115 . The population data are from the 2020 Census Redistricting dataset. If 2020 Census data are not available for a geography, then the population data are from the Census’ 2019 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!

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Rank County Population
1 St. Louis County 1,004,125
2 Jackson County 717,204
3 St. Charles County 405,262
4 St. Louis city/county 301,578
5 Greene County 298,915
6 Clay County 253,335
7 Jefferson County 226,739
8 Boone County 183,610
9 Jasper County 122,761
10 Cass County 107,824
11 Platte County 106,718
12 Franklin County 104,682
13 Christian County 88,842
14 Buchanan County 84,793
15 Cape Girardeau County 81,710
16 Cole County 77,279
17 St. Francois County 66,922
18 Lincoln County 59,574
19 Newton County 58,648
20 Taney County 56,066
21 Johnson County 54,013
22 Pulaski County 53,955
23 Phelps County 44,638
24 Callaway County 44,283
25 Pettis County 42,980
26 Camden County 42,745
27 Butler County 42,130
28 Howell County 39,750
29 Webster County 39,085
30 Scott County 38,059
31 Lawrence County 38,001
32 Laclede County 36,039
33 Warren County 35,532
34 Barry County 34,534
35 Lafayette County 32,984
36 Polk County 31,519
37 Stone County 31,076
38 Stoddard County 28,672
39 Marion County 28,525
40 Dunklin County 28,283
41 Adair County 25,314
42 Audrain County 24,962
43 Miller County 24,722
44 Randolph County 24,716
45 Texas County 24,487
46 Washington County 23,514
47 Saline County 23,333
48 McDonald County 23,303
49 Ray County 23,158
50 Crawford County 23,056
51 Henry County 21,946
52 Nodaway County 21,241
53 Clinton County 21,184
54 Morgan County 21,006
55 Vernon County 19,707
56 Benton County 19,394
57 Perry County 18,956
58 Ste. Genevieve County 18,479
59 Wright County 18,188
60 Andrew County 18,135
61 Pike County 17,587
62 Cooper County 17,103
63 Dallas County 17,071
64 New Madrid County 16,434
65 Bates County 16,042
66 Pemiscot County 15,661
67 Moniteau County 15,473
68 Macon County 15,209
69 Gasconade County 14,794
70 Livingston County 14,557
71 Dent County 14,421
72 Cedar County 14,188
73 Osage County 13,274
74 Madison County 12,626
75 Mississippi County 12,577
76 Linn County 11,874
77 Barton County 11,637
78 Douglas County 11,578
79 Montgomery County 11,322
80 DeKalb County 11,029
81 Wayne County 10,974
82 Ripley County 10,679
83 Bollinger County 10,567
84 Ralls County 10,355
85 Howard County 10,151
86 Lewis County 10,032
87 Grundy County 9,808
88 Iron County 9,537
89 St. Clair County 9,284
90 Caldwell County 8,815
91 Monroe County 8,666
92 Oregon County 8,635
93 Ozark County 8,553
94 Carroll County 8,495
95 Maries County 8,432
96 Daviess County 8,430
97 Hickory County 8,279
98 Harrison County 8,157
99 Dade County 7,569
100 Chariton County 7,408
101 Shannon County 7,031
102 Clark County 6,634
103 Gentry County 6,162
104 Shelby County 6,103
105 Reynolds County 6,096
106 Sullivan County 5,999
107 Atchison County 5,305
108 Carter County 5,202
109 Scotland County 4,716
110 Putnam County 4,681
111 Holt County 4,223
112 Schuyler County 4,032
113 Knox County 3,744
114 Mercer County 3,538
115 Worth County 1,973

United States Census Bureau. B01001 SEX BY AGE, 2019 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 10 December 2020. http://www.census.gov/.

United States Census Bureau. "P2 Hispanic or Latino, and Not Hispanic or Latino by Race." 2020 Census State Redistricting Data (Public Law 94-171) Summary File. U.S. Census Bureau, 2020 Census. Web. 12 August 2021. https://www.census.gov/.

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