Defiance County's estimated 2026 population is 38,251 with a growth rate of -0.11% in the past year according to the most recent United States census data. Defiance County is the 65th largest county in Ohio. The 2010 population was 39,083 and has seen a growth of -2.13% since that time.
Data after 2023 is projected based on recent change
Overall: 41.1 years
Female: 42.5 years
Male: 39.1 years
There are 29,717 adults, (7,741 of whom are seniors) in Defiance County.
Female: 18,900 (49.3%)
Male: 19,443 (50.7%)
The racial composition of Defiance County includes 86.73% White, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 33,256 | 86.73% |
| Two or more races | 3,103 | 8.09% |
| Other race | 1,068 | 2.79% |
| Black or African American | 633 | 1.65% |
| Asian | 124 | 0.32% |
| Native Hawaiian or Pacific Islander | 109 | 0.28% |
| Native American | 50 | 0.13% |
Defiance County's average per capita income is $47,423. Household income levels show a median of $73,064. The poverty rate stands at 10.48%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,706 | - |
| Families | $89,353 | $102,866 |
| Households | $73,064 | $88,073 |
| Non Families | $38,848 | $52,750 |
Average Income
Median Household Income
Poverty Rate