Delaware County's estimated 2026 population is 247,201 with a growth rate of 2.14% 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 41.17% since that time.
Data after 2023 is projected based on recent change
Overall: 40.1 years
Female: 40.5 years
Male: 39.9 years
There are 170,570 adults, (34,165 of whom are seniors) in Delaware County.
Female: 113,337 (50%)
Male: 113,497 (50%)
The racial composition of Delaware County includes 79.93% White, 8.59% Asian, 4.38% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 181,317 | 79.93% |
| Asian | 19,485 | 8.59% |
| Two or more races | 13,918 | 6.14% |
| Black or African American | 9,931 | 4.38% |
| Other race | 2,016 | 0.89% |
| Native American | 139 | 0.06% |
| Native Hawaiian or Pacific Islander | 28 | 0.01% |
Delaware County's average per capita income is $79,759. Household income levels show a median of $133,540. The poverty rate stands at 4.67%.
Name | Median | Mean |
|---|---|---|
| Married Families | $168,466 | $203,731 |
| Families | $157,087 | $188,624 |
| Households | $133,540 | $166,030 |
| Non Families | $62,076 | $88,171 |
Average Income
Median Household Income
Poverty Rate
