RANKING · 2025 ESTIMATES · 10 SHOWN OF 10
Most densely populated, New Hampshire counties
New Hampshire counties ranked by residents per square mile (2025). This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide. The median across all 10 is 162.
Flip the list · Most sparsely populated, US counties →Most densely populated by state
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RANKPLACESTATEPOPPOPULATION DENSITYVS 2000
SHOWING 1–10 OF 10
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES