Oak Harbor

County:: Island County
County Seat:: No
Area (mi²):: 9.651
State:: Washington

Oak Harbor is a city located in Island County, Washington. Oak Harbor has a 2025 population of 23,610. Oak Harbor is currently declining at a rate of -0.85% annually and its population has decreased by -4.12% since the most recent census, which recorded a population of 24,625 in 2020.

The average household income in Oak Harbor is $94,620 with a poverty rate of 8.33%.The median age in Oak Harbor is 31.8 years: 31.4 years for males, and 32.4 years for females.

Demographics

The racial composition of Oak Harbor includes 66.8% White, 9.25% Asian, 5.69% 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)
White	16,296	66.8%
Two or more races	3,533	14.48%
Asian	2,256	9.25%
Black or African American	1,389	5.69%
Other race	550	2.25%
Native American	261	1.07%
Native Hawaiian or Pacific Islander	111	0.45%

Oak Harbor Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oak Harbor's average per capita income is $48,931. Household income levels show a median of $72,041. The poverty rate stands at 8.33%.

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	$99,440	-
Families	$85,966	$109,498
Households	$72,041	$94,620
Non Families	$51,194	$61,368

$48,931

Average Income

$72,041

Median Household Income

8.33%

Poverty Rate