County Dossier

Austin County

Texas | County

Population

31,170

Land Area

646.5 sq mi

Context

Metro

Geography

County silhouette

Land Area
646.5 sq mi
Water Area
9.9 sq mi
Water Share
1.5%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

31,170

Density
48.2 / sq mi
Households
12,128
Housing Units
14,319
Median Age
41.1 years

Income & Economy

Median Household Income

$75,789

GDP

$2.38B

Real GDP Change+5.7%
Per Capita Income
$37,650
Personal Income
$2.19B
Personal Income Per Capita
$67,423

Classification

RUCC 1
Metro

Counties in metro areas of 1 million population or more

Relief

Min

67 ft

Mean

231 ft

Max

469 ft

Provenance

GEOID 48015 ANSI 01383793
Latitude 29.89190 Longitude -96.27017
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