All counties →

Putnam County, IN Demographics

Putnam County, IN is the 41st most populous of 92 counties in Indiana, with 36,726 residents across 481 square miles. That is about 76 people per square mile.

At the 2020 census

Population 36,726
Land area 481 sq mi
Density 76 / sq mi

Data: 2020 Census · American Community Survey 2024

How Putnam County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Putnam County, IN

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Putnam County, IN — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Putnam County, IN

Name Population Sq mi Per sq mi
Census Tract 9565 6,024 97.3 62
Census Tract 9566 5,657 83.8 67
Census Tract 9563.01 4,982 7.1 705
Census Tract 9562 4,805 15.9 303
Census Tract 9564.02 3,938 72.8 54
Census Tract 9564.01 3,226 9.4 344
Census Tract 9560 3,109 99.4 31
Census Tract 9561 2,658 87.4 30
Census Tract 9563.02 2,327 7.4 313

Related places

About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →