County Dossier

Adams County

Iowa | County

Population

3,622

Land Area

423.4 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
423.4 sq mi
Water Area
2.1 sq mi
Water Share
0.5%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

3,622

Density
8.6 / sq mi
Households
1,540
Housing Units
1,889
Median Age
46.3 years

Income & Economy

Median Household Income

$71,875

GDP

$265.90M

Real GDP Change-2.4%
Per Capita Income
$44,632
Personal Income
$230.03M
Personal Income Per Capita
$63,791

Classification

RUCC 9
Nonmetro

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

Relief

Min

1,024 ft

Mean

1,220 ft

Max

1,345 ft

Provenance

GEOID 19003 ANSI 00465191
Latitude 41.02166 Longitude -94.69691
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