Ranking of Missouri Counties By Population in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, the Population for Missouri was 6.18M. Among all Missouri counties, St. Louis County had the highest population (991.88K), followed by Jackson County (716.58K), and St. Charles County (414.06K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Missouri counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Missouri Counties By Population in 2022
St. Louis
Jackson
St. Charles
Greene
St. Louis city
Clay
Jefferson
Boone
Jasper
Platte
Ranking of Missouri Counties By Population in 2022
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Rank County Population
1 St. Louis County 991881
2 Jackson County 716580
3 St. Charles County 414055
4 Greene County 303336
5 St. Louis city 286292
6 Clay County 257037
7 Jefferson County 229268
8 Boone County 187743
9 Jasper County 123969
10 Platte County 110593
11 Cass County 110345
12 Franklin County 105865
13 Christian County 93130
14 Buchanan County 82956
15 Cape Girardeau County 82940
16 Cole County 76977
17 St. Francois County 66938
18 Lincoln County 63184
19 Newton County 60107
20 Taney County 56736
21 Johnson County 54423
22 Pulaski County 53824
23 Phelps County 45301
24 Callaway County 44760
25 Camden County 43779
26 Pettis County 43381
27 Butler County 42150
28 Howell County 40612
29 Webster County 40369
30 Lawrence County 38672
31 Scott County 37869
32 Warren County 37292
33 Laclede County 36330
34 Barry County 34931
35 Lafayette County 32937
36 Polk County 32669
37 Stone County 32137
38 Marion County 28489
39 Stoddard County 28366
40 Dunklin County 27444
41 Miller County 25384
42 Texas County 25298
43 Adair County 25155
44 Randolph County 24619
45 Audrain County 24455
46 McDonald County 23623
47 Washington County 23389
48 Ray County 23119
49 Saline County 23016
50 Crawford County 22622
51 Henry County 22404
52 Morgan County 21781
53 Clinton County 21339
54 Nodaway County 20690
55 Benton County 20216
56 Vernon County 19608
57 Wright County 19108
58 Perry County 18882
59 Ste. Genevieve County 18614
60 Andrew County 18008
61 Pike County 17650
62 Dallas County 17610
63 Cooper County 16741
64 Bates County 16156
65 New Madrid County 15686
66 Moniteau County 15241
67 Macon County 15084
68 Pemiscot County 14880
69 Gasconade County 14800
70 Cedar County 14612
71 Dent County 14471
72 Livingston County 14365
73 Osage County 13399
74 Madison County 12763
75 Douglas County 11967
76 Linn County 11842
77 Barton County 11695
78 Mississippi County 11683
79 Montgomery County 11463
80 DeKalb County 11307
81 Wayne County 10807
82 Ripley County 10699
83 Bollinger County 10510
84 Ralls County 10419
85 Howard County 10169
86 Lewis County 9888
87 Grundy County 9828
88 St. Clair County 9581
89 Iron County 9411
90 Ozark County 8970
91 Caldwell County 8939
92 Oregon County 8709
93 Monroe County 8650
94 Hickory County 8576
95 Daviess County 8455
96 Maries County 8434
97 Carroll County 8410
98 Harrison County 8213
99 Dade County 7679
100 Chariton County 7395
101 Shannon County 7223
102 Clark County 6714
103 Gentry County 6291
104 Shelby County 6004
105 Reynolds County 5994
106 Sullivan County 5828
107 Carter County 5267
108 Atchison County 5163
109 Putnam County 4653
109 Scotland County 4653
110 Holt County 4265
111 Schuyler County 4016
112 Knox County 3777
113 Mercer County 3469
114 Worth County 1943