County Dossier

Hardin County

Illinois | County

Population

3,605

Land Area

177.4 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
177.4 sq mi
Water Area
4.0 sq mi
Water Share
2.2%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

3,605

Density
20.3 / sq mi
Households
1,545
Housing Units
2,337
Median Age
53.6 years

Income & Economy

Median Household Income

$54,271

GDP

$125.50M

Real GDP Change-2.4%
Per Capita Income
$29,650
Personal Income
$198.49M
Personal Income Per Capita
$55,913

Classification

RUCC 9
Nonmetro

Urban population of fewer than 5,000, not adjacent to a metro area

Relief

Min

81 ft

Mean

476 ft

Max

870 ft

Provenance

GEOID 17069 ANSI 00424236
Latitude 37.51785 Longitude -88.26615
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