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Harrison County, IN Demographics

Harrison County, IN is the 38th most populous of 92 counties in Indiana, with 39,654 residents across 484 square miles. That is about 82 people per square mile.

At the 2020 census

Population 39,654
Land area 484 sq mi
Density 82 / sq mi

Data: 2020 Census · American Community Survey 2024

How Harrison 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: Harrison County, IN

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

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

Census tracts in Harrison County, IN

Name Population Sq mi Per sq mi
Census Tract 601 6,010 74.2 81
Census Tract 605 5,864 64.6 91
Census Tract 603 5,731 64.9 88
Census Tract 604.01 5,456 17.9 306
Census Tract 602.02 4,186 54.1 77
Census Tract 606.01 3,782 82.0 46
Census Tract 602.01 3,574 20.4 175
Census Tract 606.02 2,769 87.5 32
Census Tract 604.02 2,282 18.5 123

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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 →