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RANKING · 2024 ACS · 10 SHOWN OF 10

Largest households, New Hampshire counties

New Hampshire counties ranked by average household size (2023 ACS). This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide.

New HampshireAll statesAll rankings
SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDMost expensive homesCheapest homesHighest median rentLowest median rentHighest homeownership rateHighest renter share
YEAR201020202024
Largest households by state
RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000
01Sullivan County, NHNH43,9612.59
02Hillsborough County, NHNH433,4152.48
03Rockingham County, NHNH324,0772.48
04Merrimack County, NHNH158,0782.46
05Belknap County, NHNH65,1472.41
06Cheshire County, NHNH78,2692.40
07Strafford County, NHNH135,0432.39
08Carroll County, NHNH52,7842.34
09Grafton County, NHNH93,2252.29
10Coos County, NHNH31,3432.08
SHOWING 1–10 OF 10
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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES