Highest climate-risk ZIP codes in New Hampshire
Top 10 highest FEMA NRI climate-risk counties in New Hampshire (one representative ZIP per county). #1 is 03103 (Manchester) at score 89.8. Compare hazard exposure on US5.
FEMA’s National Risk Index is published at the county level on US5, so every ZIP in the same county shares the same composite score. This board shows one representative ZIP per county (the most populous code in that county) ranked by NRI — a relative signal of natural-hazard exposure for planning and insurance context.
Highest county scores on this board: Hillsborough County (03103) at 89.8; Rockingham County (03038) at 85.8; Grafton County (03766) at 81.8.
Open a representative ZIP for flood, wildfire, and hurricane component scores, plus a plain-language risk summary.
Open any ZIP for a full demographics, income, and housing profile, or return to the New Hampshire state page for the complete ZIP table.
Ranked counties (representative ZIP)
FEMA NRI is county-level data. Each row shows the most populous ZIP in that county as a representative entry.
| # | ZIP | City | County | NRI risk score | Population | Income | Home value |
|---|---|---|---|---|---|---|---|
| 1 | 03103 | Manchester | Hillsborough County | 89.8 | 37,659 | $70,049 | $313,500 |
| 2 | 03038 | Derry | Rockingham County | 85.8 | 34,622 | $104,306 | $381,700 |
| 3 | 03766 | Lebanon | Grafton County | 81.8 | 10,702 | $96,642 | $348,000 |
| 4 | 03301 | Concord | Merrimack County | 78.2 | 33,987 | $85,943 | $344,300 |
| 5 | 03570 | Berlin | Coos County | 72.8 | 9,473 | $43,972 | $113,500 |
| 6 | 03894 | Wolfeboro | Carroll County | 71.0 | 6,577 | $84,660 | $435,300 |
| 7 | 03820 | Dover | Strafford County | 64.1 | 33,150 | $92,793 | $397,900 |
| 8 | 03431 | Keene | Cheshire County | 60.5 | 25,035 | $78,196 | $233,900 |
| 9 | 03246 | Laconia | Belknap County | 57.4 | 17,006 | $68,407 | $307,800 |
| 10 | 03743 | Claremont | Sullivan County | 37.6 | 13,673 | $54,978 | $172,700 |
Frequently asked questions
Which areas in New Hampshire have the highest climate or disaster risk?
FEMA NRI scores are county-level on US5. Hillsborough County ranks near the top at 89.8 (representative ZIP 03103). Higher scores indicate greater relative natural-hazard exposure.
How does US5 rank ZIP codes in New Hampshire?
We rank one representative ZIP per county (highest population in the county) by FEMA NRI composite score from high to low. NRI is county-level data, so all ZIPs in a county share the same score.
Where can I explore all ZIP codes in New Hampshire?
Visit the New Hampshire state page for the full ZIP table, demographics summary, and sortable income/housing columns.