Ranking of Missouri Counties By Population in 2015
Updated on January 28, 2024.
Based on the US Census Vintage data estimates, in 2015, the Population for Missouri was 6.08M. Among all Missouri counties, St. Louis County had the highest population (1.00M), followed by Jackson County (687.18K), and St. Charles County (385.11K).
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), 2015 Census.
See this for other years:
Ranking of Missouri Counties By Population in 2015
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| Rank | County | Population |
|---|---|---|
| 1 | St. Louis County | 1001585 |
| 2 | Jackson County | 687182 |
| 3 | St. Charles County | 385108 |
| 4 | St. Louis city | 316268 |
| 5 | Greene County | 287543 |
| 6 | Clay County | 235344 |
| 7 | Jefferson County | 223185 |
| 8 | Boone County | 174563 |
| 9 | Jasper County | 118623 |
| 10 | Franklin County | 102265 |
| 11 | Cass County | 101389 |
| 12 | Platte County | 96552 |
| 13 | Buchanan County | 89137 |
| 14 | Christian County | 83154 |
| 15 | Cape Girardeau County | 78297 |
| 16 | Cole County | 76838 |
| 17 | St. Francois County | 66253 |
| 18 | Newton County | 58165 |
| 19 | Lincoln County | 54569 |
| 20 | Taney County | 54282 |
| 21 | Johnson County | 53717 |
| 22 | Pulaski County | 53324 |
| 23 | Phelps County | 44801 |
| 24 | Camden County | 44793 |
| 25 | Callaway County | 44722 |
| 26 | Butler County | 42857 |
| 27 | Pettis County | 42303 |
| 28 | Howell County | 40071 |
| 29 | Scott County | 39040 |
| 30 | Lawrence County | 37999 |
| 31 | Webster County | 37611 |
| 32 | Laclede County | 35506 |
| 33 | Barry County | 35300 |
| 34 | Warren County | 33539 |
| 35 | Lafayette County | 32633 |
| 36 | Stone County | 31334 |
| 37 | Polk County | 31272 |
| 38 | Dunklin County | 30868 |
| 39 | Stoddard County | 29751 |
| 40 | Marion County | 28719 |
| 41 | Audrain County | 25976 |
| 42 | Texas County | 25692 |
| 43 | Adair County | 25396 |
| 44 | Randolph County | 25063 |
| 45 | Miller County | 24865 |
| 46 | Washington County | 24795 |
| 47 | Crawford County | 24510 |
| 48 | Saline County | 23241 |
| 49 | Ray County | 22799 |
| 50 | McDonald County | 22721 |
| 51 | Nodaway County | 22649 |
| 52 | Henry County | 21728 |
| 53 | Vernon County | 20775 |
| 54 | Clinton County | 20592 |
| 55 | Morgan County | 20072 |
| 56 | Perry County | 19066 |
| 57 | Benton County | 18815 |
| 58 | Pike County | 18404 |
| 59 | Wright County | 18147 |
| 60 | New Madrid County | 18070 |
| 61 | Ste. Genevieve County | 17805 |
| 62 | Cooper County | 17615 |
| 63 | Pemiscot County | 17427 |
| 64 | Andrew County | 17316 |
| 65 | Dallas County | 16362 |
| 66 | Bates County | 16361 |
| 67 | Moniteau County | 15878 |
| 68 | Dent County | 15662 |
| 69 | Macon County | 15271 |
| 70 | Livingston County | 14943 |
| 71 | Gasconade County | 14753 |
| 72 | Mississippi County | 13984 |
| 73 | Ripley County | 13797 |
| 74 | Cedar County | 13790 |
| 75 | Osage County | 13540 |
| 76 | Wayne County | 13435 |
| 77 | Douglas County | 13374 |
| 78 | DeKalb County | 12559 |
| 79 | Bollinger County | 12320 |
| 80 | Linn County | 12290 |
| 81 | Madison County | 12182 |
| 82 | Barton County | 11834 |
| 83 | Montgomery County | 11579 |
| 84 | Oregon County | 10864 |
| 85 | Iron County | 10200 |
| 86 | Ralls County | 10171 |
| 87 | Lewis County | 10141 |
| 88 | Howard County | 10136 |
| 89 | Grundy County | 10033 |
| 90 | St. Clair County | 9427 |
| 91 | Ozark County | 9373 |
| 92 | Hickory County | 9269 |
| 93 | Caldwell County | 8996 |
| 94 | Maries County | 8934 |
| 95 | Carroll County | 8882 |
| 96 | Monroe County | 8635 |
| 97 | Harrison County | 8631 |
| 98 | Daviess County | 8281 |
| 99 | Shannon County | 8275 |
| 100 | Chariton County | 7582 |
| 101 | Dade County | 7576 |
| 102 | Clark County | 6811 |
| 103 | Gentry County | 6650 |
| 104 | Sullivan County | 6369 |
| 105 | Reynolds County | 6294 |
| 106 | Carter County | 6280 |
| 107 | Shelby County | 6099 |
| 108 | Atchison County | 5292 |
| 109 | Putnam County | 4864 |
| 110 | Scotland County | 4833 |
| 111 | Schuyler County | 4506 |
| 112 | Holt County | 4483 |
| 113 | Knox County | 3907 |
| 114 | Mercer County | 3660 |
| 115 | Worth County | 2042 |