| County/Place | Population Percentage Change Latest to Earliest | Percentage Change in total owner occupied | Percentage Change in below 35 years age group | Percentage Change in 35 to 44 years age group | Percentage Change in 45 to 59 years age group | Percentage Change in above 60 years age group |
|---|---|---|---|---|---|---|
| United States | 4.99 | -0.81 | -18.96 | -17.74 | -2.61 | 17.58 |
| South Dakota | 5.86 | 4.41 | 1.43 | -7.09 | -1.28 | 18.1 |
| Aurora County | -5.18 | 3.07 | 78.75 | -1.59 | -23.28 | 12.98 |
| Beadle County | 14.66 | 5.07 | 26.44 | -15.57 | -1.7 | 13.52 |
| Bennett County | 0.88 | -4.12 | -44.44 | -60 | 40.99 | 28.5 |
| Bon Homme County | -0.14 | -10.71 | 17.62 | -31.25 | -9.87 | -9.95 |
| Brookings County | 12.26 | 13.26 | 17.69 | 22.89 | 3.32 | 16.33 |
| Brown County | 8.69 | 7.12 | -6.28 | 11.54 | 8.2 | 11.36 |
| Brule County | 3.11 | 3.79 | 2.65 | -25.78 | -11.47 | 38.51 |
| Buffalo County | -2.53 | 41.18 | 81.25 | 22.5 | 103.03 | 17.28 |
| Butte County | 9.28 | 2.08 | 10.27 | -30.69 | -4.14 | 23.36 |
| Campbell County | 6.76 | 1.1 | 0 | -47.37 | 17.06 | 9.24 |
| Charles Mix County | 2.67 | 1.18 | 25.3 | -22.15 | 1.75 | 4.46 |
| Clark County | 2.81 | -11.21 | -1.66 | -4.29 | -24.34 | -6.19 |
| Clay County | 4.32 | 0.84 | -7.04 | -19.96 | -1.44 | 22.5 |
| Codington County | 6.2 | 7.76 | 4.65 | -0.94 | 4.42 | 18.83 |
| Corson County | 0.07 | -3.94 | 60 | -19.19 | -18.25 | 10.98 |
| Custer County | 6.73 | 11.86 | 105.84 | -4.38 | -13.17 | 27.28 |
| Davison County | 4.52 | 7.98 | -13.23 | 15.3 | -12.53 | 45.35 |
| Day County | -0.34 | 12.09 | 5.49 | -11.67 | -11.02 | 44.1 |
| Deuel County | 2.43 | 9.15 | -2.94 | 0.79 | 0.8 | 26.99 |
| Dewey County | -7.13 | -8.67 | -28.57 | -41.9 | -11.19 | 27.21 |
| Douglas County | -2.52 | 3.14 | 46.67 | 3.55 | -1.44 | -0.95 |
| Edmunds County | 0.93 | -0.15 | 10.08 | -13.55 | 13.95 | -6.74 |
| Fall River County | -4.61 | 10.59 | 3.52 | -33.71 | -2.64 | 47.39 |
| Faulk County | 3.65 | -4.94 | -2.94 | -25.53 | 19.91 | -13.6 |
| Grant County | 0.87 | 10.37 | -6.73 | -7.34 | -4.07 | 44.17 |
| Gregory County | 3.5 | -8.81 | -6.9 | -33.64 | -9.49 | -0.86 |
| Haakon County | 13.15 | 22.45 | 46.77 | -43.69 | -6.77 | 118.18 |
| Hamlin County | 6.44 | -5.07 | 7.23 | -20 | -4.77 | -5.15 |
| Hand County | 3.27 | 7.48 | -20.66 | 10.89 | 0 | 20.95 |
| Hanson County | -5.55 | -21.85 | 18.81 | -42.8 | -37.92 | 1.44 |
| Harding County | 10.21 | 3.07 | 866.67 | -33.78 | -13.38 | 25 |
| Hughes County | 3.62 | -4.3 | -19.94 | -19.3 | -7.84 | 15.81 |
| Hutchinson County | -0.86 | -7.68 | -25.48 | -5.67 | -0.85 | -7.57 |
| Hyde County | -4.59 | -3.67 | 15.63 | -43.9 | -1.99 | 8.59 |
| Jackson County | 19.01 | 10.82 | -14.43 | -45.69 | 11.46 | 63.69 |
| Jerauld County | 1.86 | 13.17 | 18.52 | 27.94 | -14.42 | 32.5 |
| Jones County | -24.39 | -2.01 | -42.31 | -31.71 | -27.54 | 60.22 |
| Kingsbury County | -4.45 | -6.34 | 24.39 | -18.62 | -25.29 | 11.25 |
| Lake County | 5.1 | 5.49 | -21.89 | 24.79 | -3.78 | 16.12 |
| Lawrence County | 6.42 | 7.57 | 23.58 | -1.02 | -17.25 | 32.57 |
| Lincoln County | 32.62 | 53.98 | 43.7 | 33.59 | 46.49 | 115.2 |
| Lyman County | -0.47 | 10.27 | 76.67 | -40.61 | 31.6 | 7.13 |
| McCook County | -1.47 | -0.62 | 22.8 | -21.79 | -8.33 | 12.67 |
| McPherson County | -10.02 | -16.46 | -2.99 | -27.38 | -21.86 | -13.22 |
| Marshall County | 10.2 | -3.63 | 0 | -25.23 | -0.45 | 1.64 |
| Meade County | 9.35 | 9.86 | 11.06 | -12.64 | -0.98 | 37.54 |
| Mellette County | 2.66 | -0.91 | -18.42 | 100 | -4.82 | -9.76 |
| Miner County | -6.03 | -14.19 | 26.39 | -30.38 | -10.54 | -17.99 |
| Minnehaha County | 1.82 | -2.42 | -5.95 | -12.88 | -4.67 | 10.17 |
| Moody County | -0.33 | -4.29 | -10.55 | -30.41 | -1.95 | 9.36 |
| Pennington County | 9.48 | 7.4 | -0.4 | -8.53 | 4.21 | 23.56 |
| Perkins County | 3.61 | 1.85 | -27.1 | -16.03 | 17.75 | 4.43 |
| Potter County | 7.35 | 6.47 | 30.16 | -9.18 | 1.98 | 9.46 |
| Roberts County | 3.89 | -5.79 | -14.05 | -28.29 | -11.47 | 9.94 |
| Sanborn County | -4.84 | -2.09 | 61.54 | -30.6 | -19.24 | 13.03 |
| Spink County | -1.54 | -10.88 | 5.88 | -27.35 | -4.45 | -13.79 |
| Stanley County | 6.74 | 9.5 | -3.19 | 105.66 | -15.56 | 9.55 |
| Sully County | 7.78 | -10.77 | -30.43 | -61.9 | -21.35 | 34.16 |
| Todd County | -0.55 | 12.55 | 58.73 | 53.57 | -5.23 | 19.11 |
| Tripp County | -4.46 | -12.44 | -65 | -6.91 | -15.86 | 10.39 |
| Turner County | -0.35 | 0.26 | -1.5 | 7.33 | -10.94 | 8.37 |
| Union County | 6.42 | 3.17 | -24.52 | 10.26 | -2.16 | 17.57 |
| Walworth County | 3.45 | -7.98 | -22.04 | -14.43 | -29.48 | 17.08 |
| Yankton County | 3.97 | -1.22 | -26.32 | -20.46 | -0.62 | 17.39 |
| Ziebach County | 10.06 | 0.7 | -37.84 | -3.9 | 42.95 | -26.67 |
Source: Gavop.com and Census Bureau