South Dakota Citizen Voting-age Population By County in 2018 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for South Dakota was 635,405 and represented 73.52% of the total South Dakota population.
Among all South Dakota counties, Minnehaha had the highest citizen voting-age population (132.66K), followed by Pennington (82.47K), and Lincoln (38.57K).
In terms of percentages, Jones had the highest percentage of its population being citizens of voting-age (85.71%), followed by Custer (82.92%), and Fall River (81.55%).
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 |
|---|---|---|
| Minnehaha | 132660 | 71.04 |
| Pennington | 82465 | 75.45 |
| Lincoln | 38565 | 70.23 |
| Brown | 28730 | 73.97 |
| Brookings | 25850 | 75.50 |
| Codington | 21035 | 75.14 |
| Meade | 20720 | 75.55 |
| Lawrence | 20315 | 80.50 |
| Yankton | 17760 | 78.19 |
| Davison | 15245 | 76.61 |
| Hughes | 13235 | 75.14 |
| Beadle | 12075 | 65.71 |
| Union | 11345 | 74.76 |
| Clay | 11245 | 80.75 |
| Lake | 9870 | 78.49 |
| Oglala Lakota | 8980 | 62.64 |
| Butte | 7680 | 75.48 |
| Roberts | 7425 | 72.19 |
| Custer | 7110 | 82.92 |
| Charles Mix | 6575 | 70.36 |
| Turner | 6245 | 75.56 |
| Todd | 6040 | 59.54 |
| Bon Homme | 5585 | 80.13 |
| Fall River | 5525 | 81.55 |
| Hutchinson | 5475 | 74.85 |
| Grant | 5435 | 75.33 |
| Spink | 4930 | 75.33 |
| Moody | 4795 | 73.71 |
| Day | 4295 | 78.02 |
| Tripp | 4190 | 76.60 |
| Walworth | 4120 | 74.77 |
| Hamlin | 3985 | 66.42 |
| McCook | 3945 | 71.60 |
| Brule | 3885 | 73.93 |
| Kingsbury | 3860 | 77.74 |
| Dewey | 3670 | 63.50 |
| Marshall | 3440 | 70.28 |
| Deuel | 3265 | 75.84 |
| Gregory | 3210 | 76.43 |
| Edmunds | 2940 | 74.62 |
| Lyman | 2755 | 71.19 |
| Clark | 2705 | 73.61 |
| Corson | 2670 | 64.03 |
| Hand | 2590 | 78.49 |
| Hanson | 2320 | 68.34 |
| Perkins | 2270 | 78.14 |
| Douglas | 2250 | 76.79 |
| Jackson | 2250 | 68.49 |
| Stanley | 2240 | 74.79 |
| Bennett | 2205 | 64.19 |
| Ziebach | 1900 | 67.50 |
| Aurora | 1895 | 68.66 |
| McPherson | 1890 | 79.92 |
| Sanborn | 1845 | 77.20 |
| Faulk | 1815 | 78.23 |
| Potter | 1795 | 77.20 |
| Miner | 1640 | 73.54 |
| Haakon | 1590 | 76.44 |
| Jerauld | 1555 | 76.60 |
| Mellette | 1400 | 68.13 |
| Buffalo | 1285 | 62.53 |
| Campbell | 1145 | 79.79 |
| Hyde | 1050 | 78.95 |
| Sully | 1015 | 76.32 |
| Harding | 990 | 75.57 |
| Jones | 630 | 85.71 |
