County Dossier

Allen County

Indiana | County

Population

392,378

Land Area

657.1 sq mi

Context

Metro

Geography

County silhouette

Land Area
657.1 sq mi
Water Area
2.8 sq mi
Water Share
0.4%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

392,378

Density
597.1 / sq mi
Households
156,570
Housing Units
166,285
Median Age
36.2 years

Income & Economy

Median Household Income

$70,737

GDP

$29.09B

Real GDP Change+2.7%
Per Capita Income
$37,766
Personal Income
$25.04B
Personal Income Per Capita
$62,717

Classification

RUCC 2
Metro

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

Relief

Min

482 ft

Mean

795 ft

Max

961 ft

Provenance

GEOID 18003 ANSI 00450402
Latitude 41.09191 Longitude -85.07179
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