Ranking of Missouri Counties By Population in 2023
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2023, the Population for Missouri was 6.21M. Among all Missouri counties, St. Louis County had the highest population (990.88K), followed by Jackson County (720.28K), and St. Charles County (417.96K).
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), 2023 Census.
See this for other years:
Ranking of Missouri Counties By Population in 2023
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| Rank | County | Population |
|---|---|---|
| 1 | St. Louis County | 990875 |
| 2 | Jackson County | 720283 |
| 3 | St. Charles County | 417958 |
| 4 | Greene County | 305130 |
| 5 | St. Louis city | 282772 |
| 6 | Clay County | 260150 |
| 7 | Jefferson County | 231155 |
| 8 | Boone County | 190138 |
| 9 | Jasper County | 125117 |
| 10 | Platte County | 112112 |
| 11 | Cass County | 111695 |
| 12 | Franklin County | 106444 |
| 13 | Christian County | 94469 |
| 14 | Buchanan County | 83201 |
| 15 | Cape Girardeau County | 83110 |
| 16 | Cole County | 77318 |
| 17 | St. Francois County | 67094 |
| 18 | Lincoln County | 64707 |
| 19 | Newton County | 60813 |
| 20 | Taney County | 56790 |
| 21 | Johnson County | 55107 |
| 22 | Pulaski County | 53829 |
| 23 | Phelps County | 45517 |
| 24 | Callaway County | 44818 |
| 25 | Camden County | 44099 |
| 26 | Pettis County | 43591 |
| 27 | Butler County | 41910 |
| 28 | Webster County | 41481 |
| 29 | Howell County | 40707 |
| 30 | Lawrence County | 38879 |
| 31 | Scott County | 37923 |
| 32 | Warren County | 37815 |
| 33 | Laclede County | 36674 |
| 34 | Barry County | 35310 |
| 35 | Lafayette County | 33244 |
| 36 | Polk County | 32818 |
| 37 | Stone County | 32680 |
| 38 | Stoddard County | 28372 |
| 39 | Marion County | 28312 |
| 40 | Dunklin County | 27066 |
| 41 | Texas County | 25606 |
| 42 | Miller County | 25566 |
| 43 | Adair County | 25231 |
| 44 | Audrain County | 24342 |
| 45 | McDonald County | 24117 |
| 46 | Randolph County | 24105 |
| 47 | Washington County | 23542 |
| 48 | Saline County | 23212 |
| 49 | Ray County | 23178 |
| 50 | Crawford County | 22691 |
| 51 | Henry County | 22457 |
| 52 | Morgan County | 21963 |
| 53 | Clinton County | 21569 |
| 54 | Nodaway County | 20693 |
| 55 | Benton County | 20560 |
| 56 | Vernon County | 19768 |
| 57 | Wright County | 19373 |
| 58 | Perry County | 18950 |
| 59 | Ste. Genevieve County | 18640 |
| 60 | Andrew County | 18109 |
| 61 | Pike County | 17927 |
| 62 | Dallas County | 17793 |
| 63 | Cooper County | 16926 |
| 64 | Bates County | 16226 |
| 65 | New Madrid County | 15388 |
| 66 | Moniteau County | 15245 |
| 67 | Macon County | 15173 |
| 68 | Gasconade County | 14731 |
| 69 | Cedar County | 14706 |
| 70 | Pemiscot County | 14669 |
| 71 | Dent County | 14654 |
| 72 | Livingston County | 14595 |
| 73 | Osage County | 13479 |
| 74 | Madison County | 12739 |
| 75 | Douglas County | 12224 |
| 76 | Mississippi County | 11852 |
| 77 | Linn County | 11808 |
| 78 | Barton County | 11743 |
| 79 | Montgomery County | 11430 |
| 80 | Wayne County | 10825 |
| 81 | Ripley County | 10809 |
| 82 | Bollinger County | 10536 |
| 83 | Ralls County | 10501 |
| 84 | Howard County | 10116 |
| 85 | DeKalb County | 9899 |
| 86 | Lewis County | 9840 |
| 87 | Grundy County | 9807 |
| 88 | St. Clair County | 9743 |
| 89 | Iron County | 9454 |
| 90 | Ozark County | 8996 |
| 91 | Caldwell County | 8976 |
| 92 | Monroe County | 8731 |
| 93 | Oregon County | 8719 |
| 94 | Hickory County | 8715 |
| 95 | Daviess County | 8554 |
| 96 | Maries County | 8441 |
| 97 | Carroll County | 8367 |
| 98 | Harrison County | 8216 |
| 99 | Dade County | 7719 |
| 100 | Chariton County | 7403 |
| 101 | Shannon County | 7254 |
| 102 | Clark County | 6648 |
| 103 | Gentry County | 6311 |
| 104 | Reynolds County | 5965 |
| 105 | Shelby County | 5930 |
| 106 | Sullivan County | 5841 |
| 107 | Carter County | 5329 |
| 108 | Atchison County | 5116 |
| 109 | Scotland County | 4698 |
| 110 | Putnam County | 4639 |
| 111 | Holt County | 4266 |
| 112 | Schuyler County | 4073 |
| 113 | Knox County | 3736 |
| 114 | Mercer County | 3499 |
| 115 | Worth County | 1903 |
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