Champaign County's estimated 2025 population is 39,049 with a growth rate of 0.26% in the past year according to the most recent United States census data. Champaign County is the 63rd largest county in Ohio. The 2010 population was 40,078 and has seen a growth of -2.57% since that time.
Data after 2023 is projected based on recent change
The racial composition of Champaign County includes 92.32% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 35,795 | 92.32% |
| Two or more races | 1,742 | 4.49% |
| Black or African American | 661 | 1.7% |
| Other race | 332 | 0.86% |
| Asian | 152 | 0.39% |
| Native American | 90 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Champaign County's average per capita income is $46,654. Household income levels show a median of $74,239. The poverty rate stands at 8.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $97,571 | $109,932 |
| Families | $86,608 | $99,922 |
| Households | $74,239 | $87,101 |
| Non Families | $39,589 | $52,625 |
Average Income
Median Household Income
Poverty Rate
