Westerville

County:: Delaware County
County Seat:: No
Area (mi²):: 12.602
State:: Ohio

Westerville is a city located in Delaware County, Ohio. Westerville has a 2025 population of 37,100. Westerville is currently declining at a rate of -1.14% annually and its population has decreased by -5.46% since the most recent census, which recorded a population of 39,244 in 2020.

The average household income in Westerville is $127,098 with a poverty rate of 5.39%. The median age in Westerville is 40.9 years: 39.7 years for males, and 41.8 years for females.

Demographics

The racial composition of Westerville includes 81.71% White, 8.43% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	31,492	81.71%
Black or African American	3,248	8.43%
Two or more races	2,404	6.24%
Asian	1,070	2.78%
Other race	268	0.7%
Native American	38	0.1%
Native Hawaiian or Pacific Islander	23	0.06%

Westerville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Westerville's average per capita income is $70,894. Household income levels show a median of $107,054. The poverty rate stands at 5.39%.

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	$150,938	-
Families	$135,441	$150,700
Households	$107,054	$127,098
Non Families	$57,626	$67,400

$70,894

Average Income

$107,054

Median Household Income

5.39%

Poverty Rate