State + disaster type
Flood history in South Dakota
South Dakota has 436 county-level flood declarations across 65 counties. Hanson County leads with 12 declarations. Total tracked FEMA obligations for flood events in this state: $195.5M.
This page shows every South Dakota county in South Dakota that has at least one FEMA flood declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to flood events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.
For the full national view of flood declarations across all states, see the flood disaster type page. For all hazard types in South Dakota, see the South Dakota state page.
Flood in South Dakota