County Dossier

Spencer County

Indiana | County

Population

19,955

Land Area

396.9 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
396.9 sq mi
Water Area
4.6 sq mi
Water Share
1.2%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

19,955

Density
50.3 / sq mi
Households
8,078
Housing Units
8,727
Median Age
44.4 years

Income & Economy

Median Household Income

$74,506

GDP

$1.30B

Real GDP Change+13.6%
Per Capita Income
$36,369
Personal Income
$1.18B
Personal Income Per Capita
$58,648

Classification

RUCC 8
Nonmetro

Urban population of fewer than 5,000, adjacent to a metro area

Relief

Min

358 ft

Mean

434 ft

Max

659 ft

Provenance

GEOID 18147 ANSI 00450388
Latitude 38.00970 Longitude -87.01038
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