Darke County's 2026 population is estimated at 51,522, reflecting a 0.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Darke County is the 49th largest county in Ohio. The 2010 population was 52,964 and has grown -2.72% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 43 years
Male: 40.4 years
There are 39,394 adults, (10,564 of whom are seniors) in Darke County.
Female: 25,855 (50.1%)
Male: 25,739 (49.9%)
The racial composition of Darke County includes 95.15% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 49,090 | 95.15% |
| Two or more races | 1,568 | 3.04% |
| Other race | 343 | 0.66% |
| Asian | 297 | 0.58% |
| Black or African American | 293 | 0.57% |
| Native American | 3 | 0.01% |
Darke County 's average per capita income is $46,108. Household income levels show a median of $64,486. The poverty rate stands at 11.03%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,546 | $114,748 |
| Families | $83,295 | $103,406 |
| Households | $64,486 | $83,884 |
| Non Families | $35,843 | $44,593 |
Average Income
Median Household Income
Poverty Rate