Champaign County, OH Demographics
Champaign County, OH is the 63rd most populous of 88 counties in Ohio, with 38,714 residents across 429 square miles. That is about 90 people per square mile.
At the 2020 census
| Population | 38,714 |
|---|---|
| Land area | 429 sq mi |
| Density | 90 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Champaign 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: Champaign County, OH
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Champaign County, OH — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Champaign County, OH
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 102 | 6,668 | 98.5 | 68 |
| Census Tract 115.04 | 5,117 | 72.9 | 70 |
| Census Tract 115.01 | 4,350 | 96.9 | 45 |
| Census Tract 105 | 3,996 | 2.7 | 1,486 |
| Census Tract 104 | 3,893 | 14.4 | 270 |
| Census Tract 106 | 3,714 | 3.2 | 1,153 |
| Census Tract 115.05 | 3,262 | 29.6 | 110 |
| Census Tract 115.06 | 3,159 | 39.7 | 80 |
| Census Tract 110.01 | 2,683 | 38.9 | 69 |
| Census Tract 101 | 1,872 | 32.2 | 58 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Champaign County
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.