County Dossier

Adams County

Washington | County

Population

20,800

Land Area

1,925.0 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
1,925.0 sq mi
Water Area
4.8 sq mi
Water Share
0.2%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

20,800

Density
10.8 / sq mi
Households
6,288
Housing Units
6,926
Median Age
29.3 years

Income & Economy

Median Household Income

$66,136

GDP

$1.44B

Real GDP Change+23.7%
Per Capita Income
$28,514
Personal Income
$1.18B
Personal Income Per Capita
$56,262

Classification

RUCC 6
Nonmetro

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

Relief

Min

622 ft

Mean

1,570 ft

Max

2,098 ft

Provenance

GEOID 53001 ANSI 01531601
Latitude 47.01124 Longitude -118.51286
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