Ranking of Missouri Counties By Population in 2024
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2024, the Population for Missouri was 6.25M. Among all Missouri counties, St. Louis County had the highest population (992.93K), followed by Jackson County (727.36K), and St. Charles County (423.73K).
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.
Related Topics: Missouri Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2024 Census.
See this for other years:
Ranking of Missouri Counties By Population in 2024
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| Rank | County | Population |
|---|---|---|
| 1 | St. Louis County | 992929 |
| 2 | Jackson County | 727362 |
| 3 | St. Charles County | 423726 |
| 4 | Greene County | 307942 |
| 5 | St. Louis city | 279695 |
| 6 | Clay County | 263370 |
| 7 | Jefferson County | 231888 |
| 8 | Boone County | 192154 |
| 9 | Jasper County | 126479 |
| 10 | Cass County | 113873 |
| 11 | Platte County | 113207 |
| 12 | Franklin County | 107256 |
| 13 | Christian County | 96045 |
| 14 | Cape Girardeau County | 83658 |
| 15 | Buchanan County | 83574 |
| 16 | Cole County | 77625 |
| 17 | St. Francois County | 67503 |
| 18 | Lincoln County | 65888 |
| 19 | Newton County | 61519 |
| 20 | Taney County | 56744 |
| 21 | Johnson County | 55880 |
| 22 | Pulaski County | 53964 |
| 23 | Phelps County | 45672 |
| 24 | Callaway County | 45126 |
| 25 | Camden County | 44135 |
| 26 | Pettis County | 43791 |
| 27 | Webster County | 42041 |
| 28 | Butler County | 41814 |
| 29 | Howell County | 40762 |
| 30 | Lawrence County | 39151 |
| 31 | Warren County | 38478 |
| 32 | Scott County | 37957 |
| 33 | Laclede County | 36738 |
| 34 | Barry County | 35618 |
| 35 | Lafayette County | 33511 |
| 36 | Polk County | 33070 |
| 37 | Stone County | 32630 |
| 38 | Stoddard County | 28438 |
| 39 | Marion County | 28425 |
| 40 | Dunklin County | 27002 |
| 41 | Texas County | 25715 |
| 42 | Miller County | 25668 |
| 43 | Adair County | 25660 |
| 44 | Audrain County | 24304 |
| 45 | Randolph County | 24077 |
| 46 | McDonald County | 24054 |
| 47 | Washington County | 23583 |
| 48 | Saline County | 23325 |
| 49 | Ray County | 23199 |
| 50 | Crawford County | 22808 |
| 51 | Henry County | 22575 |
| 52 | Morgan County | 22399 |
| 53 | Clinton County | 21721 |
| 54 | Benton County | 20614 |
| 55 | Nodaway County | 20503 |
| 56 | Vernon County | 19787 |
| 57 | Wright County | 19505 |
| 58 | Perry County | 19100 |
| 59 | Ste. Genevieve County | 18546 |
| 60 | Andrew County | 18091 |
| 61 | Pike County | 17961 |
| 62 | Dallas County | 17877 |
| 63 | Cooper County | 17122 |
| 64 | Bates County | 16394 |
| 65 | Moniteau County | 15294 |
| 66 | New Madrid County | 15212 |
| 67 | Macon County | 15177 |
| 68 | Cedar County | 15023 |
| 69 | Dent County | 14721 |
| 70 | Livingston County | 14658 |
| 71 | Gasconade County | 14655 |
| 72 | Pemiscot County | 14407 |
| 73 | Osage County | 13478 |
| 74 | Madison County | 12852 |
| 75 | Douglas County | 12290 |
| 76 | Linn County | 11910 |
| 77 | Mississippi County | 11750 |
| 78 | Barton County | 11717 |
| 79 | Montgomery County | 11511 |
| 80 | Wayne County | 10820 |
| 81 | Ripley County | 10715 |
| 82 | Bollinger County | 10610 |
| 83 | Ralls County | 10499 |
| 84 | Howard County | 10150 |
| 85 | DeKalb County | 9884 |
| 86 | Lewis County | 9852 |
| 87 | St. Clair County | 9848 |
| 88 | Grundy County | 9766 |
| 89 | Iron County | 9420 |
| 90 | Ozark County | 9090 |
| 91 | Caldwell County | 9000 |
| 92 | Monroe County | 8890 |
| 93 | Hickory County | 8766 |
| 94 | Oregon County | 8699 |
| 95 | Daviess County | 8541 |
| 96 | Maries County | 8506 |
| 97 | Carroll County | 8414 |
| 98 | Harrison County | 8186 |
| 99 | Dade County | 7622 |
| 100 | Chariton County | 7397 |
| 101 | Shannon County | 7275 |
| 102 | Clark County | 6623 |
| 103 | Gentry County | 6298 |
| 104 | Reynolds County | 5927 |
| 105 | Shelby County | 5926 |
| 106 | Sullivan County | 5750 |
| 107 | Carter County | 5359 |
| 108 | Atchison County | 5139 |
| 109 | Scotland County | 4698 |
| 110 | Putnam County | 4539 |
| 111 | Holt County | 4241 |
| 112 | Schuyler County | 4069 |
| 113 | Knox County | 3740 |
| 114 | Mercer County | 3452 |
| 115 | Worth County | 1872 |
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