County Dossier

San Joaquin County

California | County

Population

797,334

Land Area

1,392.3 sq mi

Context

Metro

Geography

County silhouette

Land Area
1,392.3 sq mi
Water Area
34.3 sq mi
Water Share
2.4%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

797,334

Density
572.7 / sq mi
Households
245,250
Housing Units
260,151
Median Age
35.4 years

Income & Economy

Median Household Income

$92,179

GDP

$46.52B

Real GDP Change+5.7%
Per Capita Income
$37,266
Personal Income
$51.43B
Personal Income Per Capita
$63,017

Classification

RUCC 2
Metro

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

Relief

Min

-23 ft

Mean

163 ft

Max

3,627 ft

Provenance

GEOID 06077 ANSI 00277303
Latitude 37.93498 Longitude -121.27224
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