County Dossier

Hamilton County

Iowa | County

Population

14,886

Land Area

576.7 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
576.7 sq mi
Water Area
0.8 sq mi
Water Share
0.1%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

14,886

Density
25.8 / sq mi
Households
6,434
Housing Units
7,040
Median Age
41.7 years

Income & Economy

Median Household Income

$72,432

GDP

$1.12B

Real GDP Change+6.2%
Per Capita Income
$40,191
Personal Income
$968.17M
Personal Income Per Capita
$65,171

Classification

RUCC 6
Nonmetro

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

Relief

Min

911 ft

Mean

1,117 ft

Max

1,261 ft

Provenance

GEOID 19079 ANSI 00465228
Latitude 42.39079 Longitude -93.70913
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