County Dossier

Will County

Illinois | County

Population

701,462

Land Area

835.9 sq mi

Context

Metro

Geography

County silhouette

Land Area
835.9 sq mi
Water Area
13.3 sq mi
Water Share
1.6%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

701,462

Density
839.2 / sq mi
Households
244,273
Housing Units
254,278
Median Age
39.1 years

Income & Economy

Median Household Income

$109,984

GDP

$50.33B

Real GDP Change+2.3%
Per Capita Income
$47,516
Personal Income
$49.92B
Personal Income Per Capita
$70,456

Classification

RUCC 1
Metro

Counties in metro areas of 1 million population or more

Relief

Min

367 ft

Mean

661 ft

Max

837 ft

Provenance

GEOID 17197 ANSI 01785190
Latitude 41.44847 Longitude -87.97846
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