# Counties in South Dakota by social vulnerability score (FEMA National Risk Index), 2025

All 66 values come from Federal Emergency Management Agency for 2025, so the places are comparable.

- Indicator id: `nri_social_vulnerability_score`
- Unit: index
- Definition: Social vulnerability of a US county as used in FEMA's National Risk Index, from 0 to 100: the county's national percentile rank among all counties, based on the Census Bureau's Community Resilience Estimates, which count residents with social and economic risk factors such as low income, age, disability and household conditions. Higher means more vulnerable.
- Source: Federal Emergency Management Agency, National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE) (https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355)
- Publisher page: https://invokely.ai/en/publishers/fema
- Retrieved: 2026-10-12
- Citation: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, Social Vulnerability Score (SOVI_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
- Web page: https://invokely.ai/rankings/social-vulnerability-score/south-dakota-counties

| Rank | Place | index |
|---:|---|---:|
| 1 | Ziebach County | 99.8 |
| 2 | Jackson County | 99.7 |
| 2 | Oglala Lakota County | 99.7 |
| 4 | Dewey County | 98.7 |
| 5 | Todd County | 97.7 |
| 6 | Bennett County | 93.8 |
| 7 | Fall River County | 92.2 |
| 8 | Corson County | 91.2 |
| 9 | Faulk County | 90.7 |
| 10 | Mellette County | 87.8 |
| 11 | Hanson County | 87.7 |
| 12 | Lyman County | 86.2 |
| 13 | McPherson County | 82.8 |
| 14 | Tripp County | 82.1 |
| 15 | Hyde County | 79.1 |
| 16 | Roberts County | 77.3 |
| 17 | Day County | 74.7 |
| 18 | Buffalo County | 66.6 |
| 18 | Yankton County | 66.6 |
| 20 | Walworth County | 66 |
| 21 | Charles Mix County | 61 |
| 22 | Jerauld County | 50.5 |
| 23 | Brule County | 49.5 |
| 24 | Haakon County | 48.8 |
| 25 | Moody County | 40.7 |
| 26 | Butte County | 36.1 |
| 27 | Marshall County | 35.8 |
| 28 | Lawrence County | 35.5 |
| 29 | Pennington County | 34.6 |
| 30 | Davison County | 29.1 |
| 31 | Beadle County | 26.8 |
| 32 | Codington County | 26.2 |
| 33 | Lake County | 25.9 |
| 34 | Potter County | 24.7 |
| 35 | Brown County | 24.1 |
| 36 | Aurora County | 23.6 |
| 37 | Gregory County | 18.9 |
| 38 | Douglas County | 17.2 |
| 39 | Hutchinson County | 17 |
| 40 | Hand County | 14.8 |
| 41 | Minnehaha County | 14.1 |
| 42 | Turner County | 12.8 |
| 43 | Bon Homme County | 10.6 |
| 43 | Brookings County | 10.6 |
| 43 | Campbell County | 10.6 |
| 43 | Clark County | 10.6 |
| 43 | Clay County | 10.6 |
| 43 | Custer County | 10.6 |
| 43 | Deuel County | 10.6 |
| 43 | Edmunds County | 10.6 |
| 43 | Grant County | 10.6 |
| 43 | Hamlin County | 10.6 |
| 43 | Harding County | 10.6 |
| 43 | Hughes County | 10.6 |
| 43 | Jones County | 10.6 |
| 43 | Kingsbury County | 10.6 |
| 43 | Lincoln County | 10.6 |
| 43 | McCook County | 10.6 |
| 43 | Meade County | 10.6 |
| 43 | Miner County | 10.6 |
| 43 | Perkins County | 10.6 |
| 43 | Sanborn County | 10.6 |
| 43 | Spink County | 10.6 |
| 43 | Stanley County | 10.6 |
| 43 | Sully County | 10.6 |
| 43 | Union County | 10.6 |