County Dossier

McClain County

Oklahoma | County

Population

45,273

Land Area

570.7 sq mi

Context

Metro

Geography

County silhouette

Land Area
570.7 sq mi
Water Area
9.5 sq mi
Water Share
1.6%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

45,273

Density
79.3 / sq mi
Households
16,421
Housing Units
17,630
Median Age
38.6 years

Income & Economy

Median Household Income

$84,552

GDP

$2.26B

Real GDP Change-1.4%
Per Capita Income
$40,394
Personal Income
$2.89B
Personal Income Per Capita
$59,598

Classification

RUCC 1
Metro

Counties in metro areas of 1 million population or more

Relief

Min

906 ft

Mean

1,115 ft

Max

1,389 ft

Provenance

GEOID 40087 ANSI 01101834
Latitude 35.01644 Longitude -97.44980
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