Flood history / New Hampshire
New Hampshire
flood claim history.
Across the 8 New Hampshire ZIP codes with at least 100 paid claims on file, the National Flood Insurance Program has paid $34.7M on 2,005 claims between 1978 and 2024. ZIP 03842 in Rockingham County carries the most at 969, 48.3% of the state total shown here.
The events driving the most paid claims across these ZIPs are The "Halloween" Storm (182 claims), March 2010 Nor'easter (54 claims) and December Nor'easter (3 claims).
19.5% of the claims here that record a rated flood zone were on properties outside the mapped high-risk area — the zone where flood insurance is optional and most owners go without it.
Claim volume tracks how many properties carried flood insurance as much as how often the water came up. A ZIP with a long insured history will out-file a comparable one where few owners were covered, so read each ZIP's own record rather than ranking them against each other.
Every New Hampshire ZIP code on file
| ZIP | County | Paid claims | Total paid | Heaviest year |
|---|---|---|---|---|
| 03842 | Rockingham County | 969 | $14.9M | 2024 182 |
| 03870 | Rockingham County | 223 | $2.3M | 1991 56 |
| 03431 | Cheshire County | 180 | $5.6M | 2005 61 |
| 03045 | Hillsborough County | 157 | $3.5M | 2006 56 |
| 03275 | Merrimack County | 139 | $3.1M | 2007 43 |
| 03079 | Rockingham County | 134 | $2.5M | 2006 57 |
| 03833 | Rockingham County | 102 | $1.3M | 2006 32 |
| 03077 | Rockingham County | 101 | $1.5M | 2007 29 |
Only ZIP codes with at least 100 paid claims on file appear here. A ZIP missing from this table has a shorter record, not a clean one.