Demographics & People — Rockingham County, New Hampshire

Population & Households

Population (official)315,169
Median Age44.70
Veterans20,482
Housing Units135,585
Uninsured1,661

Migration

Inflow320,609
Outflow317,200
Net3,409
GrowingYes
Year2022-2023

Source: Census ACS 5-Year 2022. Official numbers: Census ACS 5-Year 2022 — county-level query.

Data provenance: aggregated from town-level sources, county.json. Rebuilt 2026-04-13T15:43:29.171209+00:00; aggregated 2026-04-13T16:08:24.329033+00:00.