County Dossier

Union County

South Carolina | County

Population

26,885

Land Area

513.6 sq mi

Context

Metro

Geography

County silhouette

Land Area
513.6 sq mi
Water Area
1.7 sq mi
Water Share
0.3%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

26,885

Density
52.3 / sq mi
Households
11,611
Housing Units
13,527
Median Age
44.5 years

Income & Economy

Median Household Income

$41,621

GDP

$904.84M

Real GDP Change+2.8%
Per Capita Income
$27,229
Personal Income
$1.15B
Personal Income Per Capita
$43,154

Classification

RUCC 2
Metro

Counties in metro areas of 250,000 to 1 million population

Relief

Min

277 ft

Mean

500 ft

Max

786 ft

Provenance

GEOID 45087 ANSI 01248017
Latitude 34.69037 Longitude -81.61586
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