County Dossier

Putnam County

Indiana | County

Population

37,280

Land Area

480.5 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
480.5 sq mi
Water Area
2.2 sq mi
Water Share
0.4%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

37,280

Density
77.6 / sq mi
Households
14,142
Housing Units
15,268
Median Age
38.4 years

Income & Economy

Median Household Income

$78,378

GDP

$1.46B

Real GDP Change-0.2%
Per Capita Income
$34,784
Personal Income
$1.93B
Personal Income Per Capita
$51,068

Classification

RUCC 6
Nonmetro

Urban population of 5,000 to 20,000, adjacent to a metro area

Relief

Min

573 ft

Mean

793 ft

Max

998 ft

Provenance

GEOID 18133 ANSI 00450384
Latitude 39.66555 Longitude -86.85337
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