Missouri Citizen Voting-age Population By County in 2017 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Missouri was 4,567,240 and represented 75.18% of the total Missouri population.
Among all Missouri counties, St. Louis had the highest citizen voting-age population (747.28K), followed by Jackson (502.56K), and St. Charles (284.71K).
In terms of percentages, DeKalb had the highest percentage of its population being citizens of voting-age (83.17%), followed by Hickory (82.83%), and Stone (82.32%).
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 | 747275 | 74.76 |
| Jackson | 502555 | 72.99 |
| St. Charles | 284715 | 73.93 |
| St. Louis city | 241415 | 76.67 |
| Greene | 221970 | 77.41 |
| Clay | 173395 | 73.45 |
| Jefferson | 168090 | 75.50 |
| Boone | 133065 | 76.22 |
| Jasper | 85475 | 72.12 |
| Franklin | 77860 | 76.02 |
| Cass | 75465 | 74.07 |
| Platte | 71165 | 73.44 |
| Buchanan | 66605 | 74.48 |
| Christian | 60880 | 73.32 |
| Cape Girardeau | 59835 | 76.70 |
| Cole | 58350 | 76.03 |
| St. Francois | 51725 | 78.08 |
| Newton | 42845 | 73.57 |
| Taney | 41630 | 76.65 |
| Johnson | 41430 | 76.81 |
| Lincoln | 40200 | 73.36 |
| Pulaski | 40085 | 75.45 |
| Camden | 36230 | 80.77 |
| Callaway | 34855 | 77.81 |
| Phelps | 33920 | 75.59 |
| Butler | 32460 | 75.80 |
| Howell | 30070 | 74.91 |
| Pettis | 30030 | 70.98 |
| Scott | 29350 | 75.53 |
| Lawrence | 27635 | 72.48 |
| Webster | 27180 | 72.36 |
| Laclede | 26695 | 75.22 |
| Barry | 25990 | 73.42 |
| Stone | 25955 | 82.32 |
| Warren | 25250 | 75.25 |
| Lafayette | 24800 | 75.94 |
| Polk | 23960 | 76.44 |
| Stoddard | 23045 | 77.76 |
| Dunklin | 22235 | 71.95 |
| Marion | 21825 | 76.03 |
| Adair | 20170 | 79.30 |
| Texas | 19695 | 76.59 |
| Audrain | 19550 | 75.88 |
| Randolph | 19320 | 77.33 |
| Washington | 19150 | 76.69 |
| Miller | 18950 | 75.97 |
| Crawford | 18610 | 76.32 |
| Nodaway | 18580 | 81.69 |
| Ray | 17545 | 76.75 |
| Saline | 16885 | 73.38 |
| Henry | 16775 | 76.83 |
| Morgan | 15635 | 77.81 |
| McDonald | 15585 | 68.49 |
| Vernon | 15550 | 75.25 |
| Benton | 15525 | 82.06 |
| Clinton | 15505 | 75.65 |
| Perry | 14410 | 75.31 |
| Pike | 14300 | 77.24 |
| Ste. Genevieve | 13855 | 77.49 |
| Wright | 13715 | 74.93 |
| New Madrid | 13700 | 75.98 |
| Cooper | 13680 | 77.64 |
| Andrew | 13330 | 76.79 |
| Pemiscot | 12655 | 72.96 |
| Dallas | 12515 | 76.13 |
| Bates | 12385 | 75.50 |
| Dent | 11920 | 76.58 |
| Livingston | 11720 | 78.00 |
| Moniteau | 11715 | 73.66 |
| Gasconade | 11635 | 78.78 |
| Macon | 11605 | 75.75 |
| Mississippi | 10795 | 77.58 |
| Ripley | 10595 | 76.75 |
| Douglas | 10530 | 78.64 |
| Wayne | 10485 | 78.42 |
| Cedar | 10450 | 75.40 |
| DeKalb | 10450 | 83.17 |
| Osage | 10440 | 76.71 |
| Bollinger | 9590 | 77.68 |
| Madison | 9400 | 76.89 |
| Linn | 9310 | 76.00 |
| Montgomery | 8905 | 76.64 |
| Barton | 8885 | 74.41 |
| Oregon | 8355 | 77.51 |
| Iron | 8130 | 79.05 |
| Ralls | 7985 | 78.21 |
| Howard | 7860 | 77.48 |
| Hickory | 7745 | 82.83 |
| Lewis | 7700 | 76.39 |
| St. Clair | 7615 | 81.05 |
| Grundy | 7605 | 75.22 |
| Ozark | 7495 | 80.33 |
| Maries | 7075 | 78.96 |
| Carroll | 6845 | 76.82 |
| Caldwell | 6800 | 75.18 |
| Monroe | 6715 | 77.41 |
| Shannon | 6435 | 77.76 |
| Harrison | 6395 | 74.23 |
| Daviess | 6150 | 74.10 |
| Dade | 5965 | 78.69 |
| Chariton | 5860 | 77.26 |
| Clark | 5180 | 76.12 |
| Reynolds | 5020 | 78.93 |
| Gentry | 4995 | 74.66 |
| Carter | 4720 | 75.46 |
| Sullivan | 4660 | 73.04 |
| Shelby | 4625 | 76.01 |
| Atchison | 4285 | 80.32 |
| Putnam | 3760 | 77.61 |
| Holt | 3615 | 80.33 |
| Scotland | 3500 | 71.65 |
| Schuyler | 3245 | 72.92 |
| Knox | 3010 | 75.72 |
| Mercer | 2725 | 74.25 |
| Worth | 1630 | 79.32 |
