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Miami County, IN Demographics

Miami County, IN is the 44th most populous of 92 counties in Indiana, with 35,962 residents across 374 square miles. That is about 96 people per square mile.

At the 2020 census

Population 35,962
Land area 374 sq mi
Density 96 / sq mi

Data: 2020 Census · American Community Survey 2024

How Miami 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: Miami County, IN

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

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

Census tracts in Miami County, IN

Name Population Sq mi Per sq mi
Census Tract 9529 6,063 4.7 1,284
Census Tract 9527 4,603 73.0 63
Census Tract 9520 4,423 139.4 32
Census Tract 9521 4,355 54.1 80
Census Tract 9526 3,480 78.5 44
Census Tract 9523 2,753 0.9 3,029
Census Tract 9522 2,740 2.1 1,284
Census Tract 9528 2,676 17.9 149
Census Tract 9524 2,673 0.6 4,464
Census Tract 9525 2,196 2.5 869

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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 →