Ranking of Missouri Counties By Population in 2011

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2011, the Population for Missouri was 6.01M. Among all Missouri counties, St. Louis County had the highest population (1.00M), followed by Jackson County (675.64K), and St. Charles County (365.61K).

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 2011
St. Louis
Jackson
St. Charles
St. Louis city
Greene
Clay
Jefferson
Boone
Jasper
Franklin
Ranking of Missouri Counties By Population in 2011
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Rank County Population
1 St. Louis County 1000147
2 Jackson County 675644
3 St. Charles County 365614
4 St. Louis city 319417
5 Greene County 277510
6 Clay County 225271
7 Jefferson County 219605
8 Boone County 166287
9 Jasper County 115313
10 Franklin County 101618
11 Cass County 100017
12 Platte County 90912
13 Buchanan County 89748
14 Christian County 78664
15 Cape Girardeau County 76627
16 Cole County 76490
17 St. Francois County 65596
18 Newton County 58564
19 Johnson County 53417
20 Pulaski County 53322
21 Lincoln County 53051
22 Taney County 52666
23 Phelps County 45260
24 Callaway County 44311
25 Camden County 43851
26 Butler County 42996
27 Pettis County 42147
28 Howell County 40578
29 Scott County 39159
30 Lawrence County 38502
31 Webster County 36451
32 Laclede County 35668
33 Barry County 35348
34 Lafayette County 33213
35 Warren County 32615
36 Stone County 32130
37 Dunklin County 32018
38 Polk County 31203
39 Stoddard County 29850
40 Marion County 28786
41 Texas County 25935
42 Adair County 25676
43 Audrain County 25535
44 Randolph County 25283
45 Washington County 25106
46 Crawford County 24817
47 Miller County 24705
48 Nodaway County 23439
49 Saline County 23409
50 Ray County 23345
51 McDonald County 22897
52 Henry County 22254
53 Vernon County 21090
54 Clinton County 20679
55 Morgan County 20375
56 Benton County 19046
57 Perry County 19000
58 New Madrid County 18758
59 Pike County 18665
60 Wright County 18569
61 Ste. Genevieve County 18196
62 Pemiscot County 18187
63 Cooper County 17551
64 Andrew County 17199
65 Bates County 16965
66 Dallas County 16689
67 Moniteau County 15711
68 Dent County 15620
69 Macon County 15473
70 Livingston County 15121
71 Gasconade County 15075
72 Mississippi County 14241
73 Ripley County 14143
74 Cedar County 13914
75 Osage County 13909
76 Douglas County 13636
77 Wayne County 13424
78 DeKalb County 12817
79 Linn County 12602
80 Bollinger County 12382
81 Barton County 12346
82 Madison County 12257
83 Montgomery County 12206
84 Oregon County 11049
85 Iron County 10618
86 Ralls County 10278
87 Grundy County 10254
88 Howard County 10219
89 Lewis County 10217
90 St. Clair County 9694
91 Ozark County 9649
92 Hickory County 9614
93 Caldwell County 9276
94 Carroll County 9252
95 Maries County 9170
96 Harrison County 8887
97 Monroe County 8685
98 Shannon County 8414
99 Daviess County 8289
100 Dade County 7765
101 Chariton County 7744
102 Clark County 7028
103 Gentry County 6821
104 Sullivan County 6665
105 Reynolds County 6565
106 Carter County 6330
107 Shelby County 6232
108 Atchison County 5572
109 Putnam County 4977
110 Scotland County 4839
111 Holt County 4838
112 Schuyler County 4390
113 Knox County 4126
114 Mercer County 3774
115 Worth County 2118