State + disaster type
Flood history in New Hampshire
New Hampshire has 58 county-level flood declarations across 10 counties. Cheshire County leads with 8 declarations. Total tracked FEMA obligations for flood events in this state: $18.9M.
This page shows every New Hampshire county in New Hampshire 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 New Hampshire, see the New Hampshire state page.
Flood in New Hampshire
Counties ranked by flood declaration count
| # | County | Declarations | Tracked aid |
|---|---|---|---|
| 1 | Cheshire County | 8 | $2.5M |
| 2 | Grafton County | 8 | $437K |
| 3 | Sullivan County | 8 | $11.8M |
| 4 | Carroll County | 6 | $2.1M |
| 5 | Coos County | 6 | $410K |
| 6 | Hillsborough County | 5 | $0 |
| 7 | Merrimack County | 5 | $0 |
| 8 | Rockingham County | 5 | $659K |
| 9 | Belknap County | 4 | $1.0M |
| 10 | Strafford County | 3 | $0 |