County Dossier

Essex County

Massachusetts | County

Population

813,054

Land Area

492.5 sq mi

Context

Metro

Geography

County silhouette

Land Area
492.5 sq mi
Water Area
336.0 sq mi
Water Share
40.6%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

813,054

Density
1,650.8 / sq mi
Households
313,147
Housing Units
329,776
Median Age
41.2 years

Income & Economy

Median Household Income

$101,883

GDP

$60.73B

Real GDP Change+1.3%
Per Capita Income
$54,665
Personal Income
$71.56B
Personal Income Per Capita
$86,852

Classification

RUCC 1
Metro

Counties in metro areas of 1 million population or more

Relief

Min

-192 ft

Mean

53 ft

Max

415 ft

Provenance

GEOID 25009 ANSI 00606931
Latitude 42.64271 Longitude -70.86491
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