County Dossier

Hillsborough County

New Hampshire | County

Population

426,378

Land Area

876.5 sq mi

Context

Metro

Geography

County silhouette

Land Area
876.5 sq mi
Water Area
16.0 sq mi
Water Share
1.8%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

426,378

Density
486.4 / sq mi
Households
168,740
Housing Units
177,734
Median Age
41.0 years

Income & Economy

Median Household Income

$103,545

GDP

$38.13B

Real GDP Change+0.5%
Per Capita Income
$54,111
Personal Income
$34.64B
Personal Income Per Capita
$80,473

Classification

RUCC 2
Metro

Counties in metro areas of 250,000 to 1 million population

Relief

Min

91 ft

Mean

658 ft

Max

2,273 ft

Provenance

GEOID 33011 ANSI 00873179
Latitude 42.91153 Longitude -71.72306
Canonical 2025 Gazetteer ACS ACS 2020-2024 5-year BEA BEA county 2024 release (2026-02-05) BLS BLS LAUS 2024 annual average USDA USDA RUCC 2023 USGS USGS 3DEP published as of 2026-03-23