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Fountain County, IN Demographics

Fountain County, IN is the 77th most populous of 92 counties in Indiana, with 16,479 residents across 396 square miles. That is about 42 people per square mile.

At the 2020 census

Population 16,479
Land area 396 sq mi
Density 42 / sq mi

Data: 2020 Census · American Community Survey 2024

How Fountain 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: Fountain County, IN

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

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

Census tracts in Fountain County, IN

Name Population Sq mi Per sq mi
Census Tract 9579 4,272 87.6 49
Census Tract 9578 3,921 47.4 83
Census Tract 9580 3,362 148.0 23
Census Tract 9576 2,763 111.8 25
Census Tract 9577 2,161 0.9 2,458

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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 →