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Missouri Counties by Population (2024)

by Kristen Carney Kristen Carney

Updated: June 20, 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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RankCountyPopulation
1St. Louis County987,059
2Jackson County718,560
3St. Charles County416,659
4Greene County304,611
5St. Louis city/county281,754
6Clay County259,772
7Jefferson County231,230
8Boone County189,463
9Jasper County125,056
10Platte County111,940
11Cass County111,732
12Franklin County106,404
13Christian County94,422
14Cape Girardeau County82,984
15Buchanan County82,956
16Cole County77,278
17St. Francois County67,058
18Lincoln County64,699
19Newton County60,677
20Taney County56,775
21Johnson County54,962
22Pulaski County53,812
23Phelps County45,284
24Callaway County44,731
25Camden County44,044
26Pettis County43,530
27Butler County41,948
28Webster County41,472
29Howell County40,735
30Lawrence County38,872
31Scott County37,889
32Warren County37,806
33Laclede County36,680
34Barry County35,265
35Lafayette County33,196
36Polk County32,780
37Stone County32,658
38Stoddard County28,397
39Marion County28,336
40Dunklin County27,032
41Texas County25,619
42Miller County25,590
43Adair County25,122
44Audrain County24,394
45Randolph County24,109
46McDonald County23,903
47Washington County23,534
48Ray County23,182
49Saline County23,049
50Crawford County22,719
51Henry County22,485
52Morgan County21,970
53Clinton County21,548
54Nodaway County20,695
55Benton County20,552
56Vernon County19,710
57Wright County19,403
58Perry County18,950
59Ste. Genevieve County18,642
60Andrew County18,127
61Pike County17,935
62Dallas County17,768
63Cooper County16,947
64Bates County16,242
65New Madrid County15,424
66Moniteau County15,256
67Macon County15,161
68Gasconade County14,705
69Cedar County14,672
70Dent County14,647
71Pemiscot County14,613
72Livingston County14,557
73Osage County13,468
74Madison County12,698
75Douglas County12,228
76Mississippi County11,822
77Linn County11,791
78Barton County11,731
79Montgomery County11,459
80Wayne County10,811
81Ripley County10,806
82Bollinger County10,544
83Ralls County10,489
84Howard County10,101
85DeKalb County9,899
86Lewis County9,818
87Grundy County9,815
88St. Clair County9,752
89Iron County9,440
90Ozark County8,970
91Caldwell County8,955
92Oregon County8,720
93Hickory County8,718
94Monroe County8,698
95Daviess County8,551
96Maries County8,430
97Carroll County8,391
98Harrison County8,220
99Dade County7,716
100Chariton County7,399
101Shannon County7,238
102Clark County6,641
103Gentry County6,287
104Reynolds County5,950
105Shelby County5,931
106Sullivan County5,797
107Carter County5,303
108Atchison County5,107
109Scotland County4,676
110Putnam County4,638
111Holt County4,248
112Schuyler County4,053
113Knox County3,723
114Mercer County3,469
115Worth County1,907

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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