Delaware County's estimated 2026 population is 248,434 with a growth rate of 2.15% in the past year according to the most recent United States census data. Delaware County is the 11th largest county in Ohio. The 2010 population was 175,114 and has seen a growth of 41.87% since that time.
Data after 2023 is projected based on recent change
The racial composition of Delaware County includes 81.36% White, 7.88% Asian, 4.17% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (81.36%)
Asian (7.88%)
Two or more races (5.55%)
Black or African American (4.17%)
Other race (0.93%)
Native American (0.05%)
Native Hawaiian or Pacific Islander (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 179,940 | 81.36% |
| Asian | 17,437 | 7.88% |
| Two or more races | 12,280 | 5.55% |
| Black or African American | 9,233 | 4.17% |
| Other race | 2,057 | 0.93% |
| Native American | 117 | 0.05% |
| Native Hawaiian or Pacific Islander | 96 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Delaware County's average per capita income is $76,928. Household income levels show a median of $130,088. The poverty rate stands at 5.05%.
Name | Median | Mean |
|---|---|---|
| Married Families | $164,267 | $198,115 |
| Families | $153,705 | $183,477 |
| Households | $130,088 | $161,060 |
| Non Families | $59,529 | $82,507 |
Average Income
Median Household Income
Poverty Rate
