SD / county disease rankings
Counties with the lowest life expectancy in South Dakota
Among 61 South Dakota counties with published values, the counties with the lowest life expectancy are Buffalo County, SD (54, against the U.S. county median of 75.3), Dewey County, SD (56.7, against the U.S. county median of 75.3) and Oglala Lakota County, SD (56.9, against the U.S. county median of 75.3). Values are years.
Source: County Health Rankings, built from CDC National Vital Statistics System death records. These are county-level figures, compared with the U.S. county median. A high rate does not prove an environmental cause: age, smoking, income, access to care, screening and chance all move county rates, and small counties swing widely.
All South Dakota counties, lowest first
Life expectancy, years.
| Rank | County | State | Value | U.S. county median | Times reference |
|---|---|---|---|---|---|
| 1 | Buffalo County | SD | 54 | 75.3 | 0.72x |
| 2 | Dewey County | SD | 56.7 | 75.3 | 0.75x |
| 3 | Oglala Lakota County | SD | 56.9 | 75.3 | 0.76x |
| 4 | Corson County | SD | 58.7 | 75.3 | 0.78x |
| 5 | Todd County | SD | 58.7 | 75.3 | 0.78x |
| 6 | Mellette County | SD | 61.6 | 75.3 | 0.82x |
| 7 | Jackson County | SD | 64.1 | 75.3 | 0.85x |
| 8 | Ziebach County | SD | 65.8 | 75.3 | 0.87x |
| 9 | Bennett County | SD | 67.9 | 75.3 | 0.9x |
| 10 | Lyman County | SD | 68.3 | 75.3 | 0.91x |
| 11 | Charles Mix County | SD | 71.4 | 75.3 | 0.95x |
| 12 | Roberts County | SD | 72.2 | 75.3 | 0.96x |
| 13 | Fall River County | SD | 72.9 | 75.3 | 0.97x |
| 14 | Gregory County | SD | 73.7 | 75.3 | 0.98x |
| 15 | Tripp County | SD | 74.5 | 75.3 | 0.99x |
| 16 | Hughes County | SD | 75.7 | 75.3 | 1.01x |
| 17 | Moody County | SD | 75.8 | 75.3 | 1.01x |
| 18 | Aurora County | SD | 75.9 | 75.3 | 1.01x |
| 19 | Pennington County | SD | 76.1 | 75.3 | 1.01x |
| 20 | Bon Homme County | SD | 76.6 | 75.3 | 1.02x |
| 21 | McCook County | SD | 76.7 | 75.3 | 1.02x |
| 22 | Walworth County | SD | 76.9 | 75.3 | 1.02x |
| 23 | Minnehaha County | SD | 77 | 75.3 | 1.02x |
| 24 | Clay County | SD | 77.2 | 75.3 | 1.03x |
| 25 | Faulk County | SD | 77.2 | 75.3 | 1.03x |
| 26 | Spink County | SD | 77.2 | 75.3 | 1.03x |
| 27 | Hamlin County | SD | 77.3 | 75.3 | 1.03x |
| 28 | Sanborn County | SD | 77.4 | 75.3 | 1.03x |
| 29 | Miner County | SD | 77.9 | 75.3 | 1.03x |
| 30 | Turner County | SD | 78 | 75.3 | 1.04x |
| 31 | Hanson County | SD | 78.1 | 75.3 | 1.04x |
| 32 | Day County | SD | 78.3 | 75.3 | 1.04x |
| 33 | Beadle County | SD | 78.4 | 75.3 | 1.04x |
| 34 | Brown County | SD | 78.5 | 75.3 | 1.04x |
| 35 | Davison County | SD | 78.5 | 75.3 | 1.04x |
| 36 | Grant County | SD | 78.5 | 75.3 | 1.04x |
| 37 | Hand County | SD | 78.5 | 75.3 | 1.04x |
| 38 | Meade County | SD | 78.5 | 75.3 | 1.04x |
| 39 | Butte County | SD | 78.6 | 75.3 | 1.04x |
| 40 | Stanley County | SD | 78.6 | 75.3 | 1.04x |
| 41 | Hutchinson County | SD | 78.7 | 75.3 | 1.05x |
| 42 | Perkins County | SD | 78.7 | 75.3 | 1.05x |
| 43 | Codington County | SD | 78.8 | 75.3 | 1.05x |
| 44 | Brule County | SD | 79.1 | 75.3 | 1.05x |
| 45 | Edmunds County | SD | 79.1 | 75.3 | 1.05x |
| 46 | Deuel County | SD | 79.2 | 75.3 | 1.05x |
| 47 | Yankton County | SD | 79.2 | 75.3 | 1.05x |
| 48 | Marshall County | SD | 79.3 | 75.3 | 1.05x |
| 49 | Kingsbury County | SD | 79.4 | 75.3 | 1.05x |
| 50 | Lawrence County | SD | 79.4 | 75.3 | 1.05x |
| 51 | Lake County | SD | 79.8 | 75.3 | 1.06x |
| 52 | Brookings County | SD | 79.9 | 75.3 | 1.06x |
| 53 | Haakon County | SD | 80.1 | 75.3 | 1.06x |
| 54 | Potter County | SD | 80.7 | 75.3 | 1.07x |
| 55 | Union County | SD | 80.8 | 75.3 | 1.07x |
| 56 | Douglas County | SD | 80.9 | 75.3 | 1.07x |
| 57 | Clark County | SD | 81 | 75.3 | 1.08x |
| 58 | Custer County | SD | 81.5 | 75.3 | 1.08x |
| 59 | McPherson County | SD | 81.7 | 75.3 | 1.08x |
| 60 | Jerauld County | SD | 83 | 75.3 | 1.1x |
| 61 | Lincoln County | SD | 83.8 | 75.3 | 1.11x |