Hardin County, OH Demographics
Hardin County, OH is the 72nd most populous of 88 counties in Ohio, with 30,696 residents across 470 square miles. That is about 65 people per square mile.
At the 2020 census
| Population | 30,696 |
|---|---|
| Land area | 470 sq mi |
| Density | 65 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Hardin 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: Hardin County, OH
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Hardin County, OH — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Hardin County, OH
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 7 | 5,298 | 146.8 | 36 |
| Census Tract 2 | 4,577 | 5.9 | 775 |
| Census Tract 4.02 | 4,215 | 11.5 | 366 |
| Census Tract 5 | 4,162 | 114.8 | 36 |
| Census Tract 6 | 3,857 | 8.5 | 452 |
| Census Tract 3 | 3,620 | 105.4 | 34 |
| Census Tract 1 | 3,173 | 76.8 | 41 |
| Census Tract 4.01 | 1,794 | 0.5 | 3,606 |
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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.