County directory · Official data joined by FIPS
New Hampshire counties
Compare all 10 counties and county equivalents in New Hampshire by income, housing, employment, education, health, and population.
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Choose a county metric. Color is normalized within New Hampshire, and gray means the source has no county value.
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All New Hampshire counties
Every row uses county-level ACS, LAUS, and County Health Rankings data. Standalone profiles still open only above the publication gate.
| Rank | County | Population | Income | Home value | Unemployment | Degree+ | Life exp. | Profile |
|---|---|---|---|---|---|---|---|---|
| #1 | Hillsborough | 426,378 | $103,545 | $421,100 | 2.8% | 41.5% | 78.6 yrs | Open |
| #2 | Rockingham County | 319,082 | $118,331 | $497,500 | 2.8% | 45.7% | 80.5 yrs | Open |
| #3 | Merrimack County | 155,967 | $97,004 | $367,600 | 2.3% | 38.9% | 79 yrs | Open |
| #4 | Strafford County | 132,575 | $88,570 | $362,800 | 2.3% | 39.3% | 77.6 yrs | Open |
| #5 | Grafton County | 92,120 | $88,261 | $344,500 | 2.2% | 46.7% | 80.1 yrs | Data row |
| #6 | Cheshire County | 77,297 | $83,329 | $280,100 | 2.5% | 35.5% | 78.6 yrs | Data row |
| #7 | Belknap County | 64,659 | $92,783 | $374,900 | 2.4% | 33.6% | 77.4 yrs | Data row |
| #8 | Carroll County | 51,804 | $86,463 | $388,900 | 2.4% | 38.6% | 79.3 yrs | Data row |
| #9 | Sullivan County | 43,715 | $80,858 | $268,700 | 2.3% | 30.3% | 78 yrs | Data row |
| #10 | Coos County | 31,271 | $57,677 | $188,900 | 2.7% | 20.1% | 73.9 yrs | Data row |
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County data policy
Depth without index bloat
Every county stays available in this directory, but a standalone profile is published only when population is at least 100,000 or the county is the largest in its state. This keeps smaller counties comparable without producing thousands of thin pages.
Five-digit FIPS—not the county name—is the join key. ACS supplies income, housing, population, and education; BLS LAUS supplies annual employment; County Health Rankings supplies health outcomes and access.