Missouri Counties by Population (2025)

by Kristen Carney Kristen Carney

Updated: December 17, 2024

The most populous counties in Missouri are St. Louis County with 987,059, Jackson County at 718,560, St. Charles County with 416,659, Greene County at 304,611, and St. Louis city/county with 281,754. You can get the most current Census population data for all 115 Missouri counties, sorted from the most populous counties in Missouri to the least, according to the 2023 Population Estimates Program.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Missouri counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

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Rank County Population
1 St. Louis County 987,059
2 Jackson County 718,560
3 St. Charles County 416,659
4 Greene County 304,611
5 St. Louis city/county 281,754
6 Clay County 259,772
7 Jefferson County 231,230
8 Boone County 189,463
9 Jasper County 125,056
10 Platte County 111,940
11 Cass County 111,732
12 Franklin County 106,404
13 Christian County 94,422
14 Cape Girardeau County 82,984
15 Buchanan County 82,956
16 Cole County 77,278
17 St. Francois County 67,058
18 Lincoln County 64,699
19 Newton County 60,677
20 Taney County 56,775
21 Johnson County 54,962
22 Pulaski County 53,812
23 Phelps County 45,284
24 Callaway County 44,731
25 Camden County 44,044
26 Pettis County 43,530
27 Butler County 41,948
28 Webster County 41,472
29 Howell County 40,735
30 Lawrence County 38,872
31 Scott County 37,889
32 Warren County 37,806
33 Laclede County 36,680
34 Barry County 35,265
35 Lafayette County 33,196
36 Polk County 32,780
37 Stone County 32,658
38 Stoddard County 28,397
39 Marion County 28,336
40 Dunklin County 27,032
41 Texas County 25,619
42 Miller County 25,590
43 Adair County 25,122
44 Audrain County 24,394
45 Randolph County 24,109
46 McDonald County 23,903
47 Washington County 23,534
48 Ray County 23,182
49 Saline County 23,049
50 Crawford County 22,719
51 Henry County 22,485
52 Morgan County 21,970
53 Clinton County 21,548
54 Nodaway County 20,695
55 Benton County 20,552
56 Vernon County 19,710
57 Wright County 19,403
58 Perry County 18,950
59 Ste. Genevieve County 18,642
60 Andrew County 18,127
61 Pike County 17,935
62 Dallas County 17,768
63 Cooper County 16,947
64 Bates County 16,242
65 New Madrid County 15,424
66 Moniteau County 15,256
67 Macon County 15,161
68 Gasconade County 14,705
69 Cedar County 14,672
70 Dent County 14,647
71 Pemiscot County 14,613
72 Livingston County 14,557
73 Osage County 13,468
74 Madison County 12,698
75 Douglas County 12,228
76 Mississippi County 11,822
77 Linn County 11,791
78 Barton County 11,731
79 Montgomery County 11,459
80 Wayne County 10,811
81 Ripley County 10,806
82 Bollinger County 10,544
83 Ralls County 10,489
84 Howard County 10,101
85 DeKalb County 9,899
86 Lewis County 9,818
87 Grundy County 9,815
88 St. Clair County 9,752
89 Iron County 9,440
90 Ozark County 8,970
91 Caldwell County 8,955
92 Oregon County 8,720
93 Hickory County 8,718
94 Monroe County 8,698
95 Daviess County 8,551
96 Maries County 8,430
97 Carroll County 8,391
98 Harrison County 8,220
99 Dade County 7,716
100 Chariton County 7,399
101 Shannon County 7,238
102 Clark County 6,641
103 Gentry County 6,287
104 Reynolds County 5,950
105 Shelby County 5,931
106 Sullivan County 5,797
107 Carter County 5,303
108 Atchison County 5,107
109 Scotland County 4,676
110 Putnam County 4,638
111 Holt County 4,248
112 Schuyler County 4,053
113 Knox County 3,723
114 Mercer County 3,469
115 Worth County 1,907

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. Population Division. May 2024.

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