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

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

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

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