Delaware County Flag

Delaware County

State:
Ohio
County Seat:
Delaware

Delaware County's estimated 2025 population is 241,856 with a growth rate of 2.16% 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 38.11% since that time.

241,856
Total Population
546
Population Density (mi²)
11
Population Rank (State)
5.1K 2.16%
Annual Population Growth

Delaware County Population

Delaware County Population

Data after 2023 is projected based on recent change

Demographics

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.

Population by Race

Race
Population
Percentage (of total)
White179,94081.36%
Asian17,4377.88%
Two or more races12,2805.55%
Black or African American9,2334.17%
Other race2,0570.93%
Native American1170.05%
Native Hawaiian or Pacific Islander960.04%

Delaware County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
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

$76,928

Average Income

$130,088

Median Household Income

5.05%

Poverty Rate