County Dossier

St. Joseph County

Indiana | County

Population

273,040

Land Area

457.8 sq mi

Context

Metro

Geography

County silhouette

Land Area
457.8 sq mi
Water Area
3.6 sq mi
Water Share
0.8%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

273,040

Density
596.4 / sq mi
Households
107,252
Housing Units
118,580
Median Age
36.7 years

Income & Economy

Median Household Income

$66,868

GDP

$19.49B

Real GDP Change+1.6%
Per Capita Income
$36,834
Personal Income
$16.16B
Personal Income Per Capita
$59,030

Classification

RUCC 2
Metro

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

Relief

Min

656 ft

Mean

774 ft

Max

925 ft

Provenance

GEOID 18141 ANSI 00452855
Latitude 41.61772 Longitude -86.28805
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