County Dossier

Hardin County

Ohio | County

Population

30,475

Land Area

470.3 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
470.3 sq mi
Water Area
0.2 sq mi
Water Share
0.1%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

30,475

Density
64.8 / sq mi
Households
11,724
Housing Units
12,917
Median Age
35.2 years

Income & Economy

Median Household Income

$62,484

GDP

$1.37B

Real GDP Change+6.8%
Per Capita Income
$32,470
Personal Income
$1.36B
Personal Income Per Capita
$44,662

Classification

RUCC 6
Nonmetro

Urban population of 5,000 to 20,000, adjacent to a metro area

Relief

Min

855 ft

Mean

982 ft

Max

1,147 ft

Provenance

GEOID 39065 ANSI 01074045
Latitude 40.66042 Longitude -83.66408
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