County Dossier

Carroll County

Indiana | County

Population

20,535

Land Area

372.2 sq mi

Context

Metro

Geography

County silhouette

Land Area
372.2 sq mi
Water Area
2.8 sq mi
Water Share
0.7%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

20,535

Density
55.2 / sq mi
Households
8,085
Housing Units
9,559
Median Age
43.2 years

Income & Economy

Median Household Income

$65,645

GDP

$951.52M

Real GDP Change-0.8%
Per Capita Income
$35,594
Personal Income
$1.14B
Personal Income Per Capita
$55,111

Classification

RUCC 3
Metro

Counties in metro areas of fewer than 250,000 population

Relief

Min

370 ft

Mean

685 ft

Max

830 ft

Provenance

GEOID 18015 ANSI 00450406
Latitude 40.58498 Longitude -86.56514
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