Missouri Citizen Voting-age Population By County in 2015 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Missouri was 4,525,035 and represented 74.85% of the total Missouri population.
Among all Missouri counties, St. Louis had the highest citizen voting-age population (745.27K), followed by Jackson (495.86K), and St. Charles (275.36K).
In terms of percentages, DeKalb had the highest percentage of its population being citizens of voting-age (82.55%), followed by Hickory (82.16%), and Benton (82.07%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| St. Louis | 745265 | 74.43 |
| Jackson | 495855 | 72.82 |
| St. Charles | 275355 | 73.47 |
| St. Louis city | 241165 | 75.87 |
| Greene | 218835 | 77.27 |
| Clay | 168125 | 72.98 |
| Jefferson | 166115 | 74.97 |
| Boone | 129565 | 75.87 |
| Jasper | 84105 | 71.77 |
| Franklin | 76830 | 75.45 |
| Cass | 73975 | 73.40 |
| Platte | 68180 | 73.00 |
| Buchanan | 66680 | 74.45 |
| Cape Girardeau | 59660 | 76.88 |
| Christian | 58805 | 72.68 |
| Cole | 57840 | 75.57 |
| St. Francois | 51680 | 78.29 |
| Newton | 43290 | 73.65 |
| Johnson | 41450 | 76.54 |
| Taney | 40695 | 75.99 |
| Pulaski | 39895 | 74.65 |
| Lincoln | 38985 | 72.40 |
| Camden | 35100 | 79.91 |
| Callaway | 34480 | 77.37 |
| Phelps | 33975 | 75.45 |
| Butler | 32645 | 76.01 |
| Howell | 30030 | 74.47 |
| Pettis | 29700 | 70.35 |
| Scott | 29575 | 75.72 |
| Lawrence | 27895 | 72.94 |
| Laclede | 26855 | 75.62 |
| Webster | 26480 | 72.17 |
| Barry | 26035 | 72.88 |
| Stone | 25605 | 81.61 |
| Lafayette | 24850 | 75.50 |
| Warren | 24675 | 74.67 |
| Polk | 23625 | 75.95 |
| Stoddard | 23110 | 77.46 |
| Dunklin | 22770 | 72.15 |
| Marion | 21800 | 75.59 |
| Adair | 20425 | 79.91 |
| Texas | 19610 | 76.20 |
| Audrain | 19495 | 75.61 |
| Randolph | 19335 | 76.93 |
| Washington | 19175 | 76.55 |
| Miller | 18965 | 76.00 |
| Nodaway | 18945 | 81.71 |
| Crawford | 18645 | 75.61 |
| Ray | 17535 | 76.14 |
| Saline | 17360 | 74.40 |
| Henry | 17000 | 77.15 |
| Morgan | 15665 | 77.45 |
| Vernon | 15565 | 74.55 |
| Benton | 15475 | 82.07 |
| McDonald | 15460 | 67.91 |
| Clinton | 15405 | 75.15 |
| Pike | 14325 | 77.37 |
| Perry | 14305 | 74.90 |
| New Madrid | 13940 | 75.72 |
| Wright | 13800 | 74.80 |
| Ste. Genevieve | 13780 | 76.60 |
| Cooper | 13620 | 77.41 |
| Andrew | 13315 | 76.83 |
| Pemiscot | 12975 | 72.75 |
| Dallas | 12635 | 76.28 |
| Bates | 12515 | 75.19 |
| Dent | 11940 | 76.49 |
| Livingston | 11775 | 78.29 |
| Macon | 11735 | 75.91 |
| Gasconade | 11650 | 77.93 |
| Moniteau | 11560 | 73.17 |
| Mississippi | 10945 | 77.02 |
| Ripley | 10765 | 76.95 |
| Cedar | 10660 | 76.75 |
| Douglas | 10580 | 78.28 |
| DeKalb | 10550 | 82.55 |
| Wayne | 10545 | 78.72 |
| Osage | 10440 | 75.87 |
| Bollinger | 9600 | 77.70 |
| Linn | 9410 | 75.89 |
| Madison | 9355 | 75.44 |
| Montgomery | 9070 | 75.96 |
| Barton | 8970 | 73.74 |
| Oregon | 8450 | 76.96 |
| Iron | 8020 | 77.71 |
| Ralls | 8005 | 78.14 |
| Howard | 7860 | 77.21 |
| Grundy | 7770 | 75.77 |
| Lewis | 7715 | 75.86 |
| Hickory | 7670 | 82.16 |
| Ozark | 7670 | 80.44 |
| St. Clair | 7645 | 80.31 |
| Maries | 7000 | 77.31 |
| Carroll | 6930 | 76.20 |
| Caldwell | 6815 | 75.01 |
| Monroe | 6690 | 77.07 |
| Harrison | 6450 | 73.97 |
| Shannon | 6425 | 77.27 |
| Daviess | 6100 | 73.72 |
| Dade | 5975 | 78.41 |
| Chariton | 5915 | 77.32 |
| Clark | 5290 | 76.44 |
| Reynolds | 5150 | 78.27 |
| Gentry | 5105 | 75.24 |
| Carter | 4755 | 75.66 |
| Shelby | 4695 | 75.97 |
| Sullivan | 4635 | 71.20 |
| Atchison | 4325 | 79.50 |
| Putnam | 3810 | 77.83 |
| Holt | 3685 | 79.85 |
| Scotland | 3470 | 71.18 |
| Schuyler | 3200 | 72.81 |
| Knox | 3025 | 74.97 |
| Mercer | 2780 | 74.73 |
| Worth | 1645 | 79.09 |
