Ranking of Missouri Counties By Population in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the Population for Missouri was 6.20M. Among all Missouri counties, St. Louis County had the highest population (987.06K), followed by Jackson County (718.56K), and St. Charles County (416.66K).

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 2023
St. Louis
Jackson
St. Charles
Greene
St. Louis city
Clay
Jefferson
Boone
Jasper
Platte
Ranking of Missouri Counties By Population in 2023
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Rank County Population
1 St. Louis County 987059
2 Jackson County 718560
3 St. Charles County 416659
4 Greene County 304611
5 St. Louis city 281754
6 Clay County 259772
7 Jefferson County 231230
8 Boone County 189463
9 Jasper County 125056
10 Platte County 111940
11 Cass County 111732
12 Franklin County 106404
13 Christian County 94422
14 Cape Girardeau County 82984
15 Buchanan County 82956
16 Cole County 77278
17 St. Francois County 67058
18 Lincoln County 64699
19 Newton County 60677
20 Taney County 56775
21 Johnson County 54962
22 Pulaski County 53812
23 Phelps County 45284
24 Callaway County 44731
25 Camden County 44044
26 Pettis County 43530
27 Butler County 41948
28 Webster County 41472
29 Howell County 40735
30 Lawrence County 38872
31 Scott County 37889
32 Warren County 37806
33 Laclede County 36680
34 Barry County 35265
35 Lafayette County 33196
36 Polk County 32780
37 Stone County 32658
38 Stoddard County 28397
39 Marion County 28336
40 Dunklin County 27032
41 Texas County 25619
42 Miller County 25590
43 Adair County 25122
44 Audrain County 24394
45 Randolph County 24109
46 McDonald County 23903
47 Washington County 23534
48 Ray County 23182
49 Saline County 23049
50 Crawford County 22719
51 Henry County 22485
52 Morgan County 21970
53 Clinton County 21548
54 Nodaway County 20695
55 Benton County 20552
56 Vernon County 19710
57 Wright County 19403
58 Perry County 18950
59 Ste. Genevieve County 18642
60 Andrew County 18127
61 Pike County 17935
62 Dallas County 17768
63 Cooper County 16947
64 Bates County 16242
65 New Madrid County 15424
66 Moniteau County 15256
67 Macon County 15161
68 Gasconade County 14705
69 Cedar County 14672
70 Dent County 14647
71 Pemiscot County 14613
72 Livingston County 14557
73 Osage County 13468
74 Madison County 12698
75 Douglas County 12228
76 Mississippi County 11822
77 Linn County 11791
78 Barton County 11731
79 Montgomery County 11459
80 Wayne County 10811
81 Ripley County 10806
82 Bollinger County 10544
83 Ralls County 10489
84 Howard County 10101
85 DeKalb County 9899
86 Lewis County 9818
87 Grundy County 9815
88 St. Clair County 9752
89 Iron County 9440
90 Ozark County 8970
91 Caldwell County 8955
92 Oregon County 8720
93 Hickory County 8718
94 Monroe County 8698
95 Daviess County 8551
96 Maries County 8430
97 Carroll County 8391
98 Harrison County 8220
99 Dade County 7716
100 Chariton County 7399
101 Shannon County 7238
102 Clark County 6641
103 Gentry County 6287
104 Reynolds County 5950
105 Shelby County 5931
106 Sullivan County 5797
107 Carter County 5303
108 Atchison County 5107
109 Scotland County 4676
110 Putnam County 4638
111 Holt County 4248
112 Schuyler County 4053
113 Knox County 3723
114 Mercer County 3469
115 Worth County 1907