Oak Harbor, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Oak Harbor, Washington had a total population of 24,362, the 54th largest city in Washington, with a median household income of $76,084, which is 22% lower than the state average. The poverty rate is 8.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Oak Harbor Quick Facts
How Oak Harbor Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 24,396 | 24,362 | -0.1% |
| Median household income | $72,041 | $76,084 | +5.6% |
| Median home value | $421,700 | $461,200 | +9.4% |
How Oak Harbor Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Oak Harbor Rankings in Washington
Explore Washington Rankings
Other Cities in Island County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Camano | 17,303 | $105,231 | 6.7% | $670,800 |
| Whidbey Island Station | 2,027 | $45,625 | 7.4% | N/A |
| Coupeville | 1,980 | $81,625 | 12.8% | $561,000 |
| Freeland | 1,548 | $83,241 | 12.1% | $522,000 |
| Clinton | 1,419 | $76,458 | 10.8% | $664,800 |
| Langley | 1,044 | $77,072 | 10.4% | $700,700 |
Cities Similar to Oak Harbor
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Moses Lake | 26,083 | $74,752 | $310,000 | 21.4% | 15.8% |
| Hazel Dell | 23,237 | $86,305 | $455,500 | 27.2% | 9.8% |
| Tukwila | 21,451 | $78,381 | $489,000 | 25.3% | 13.1% |
| North Lynnwood | 23,339 | $101,088 | $616,400 | 43.8% | 7.2% |
| Tumwater | 26,956 | $95,212 | $472,200 | 42.9% | 7.0% |
Population Overview
Oak Harbor is a small city located in Washington, within Island County. The total population is 24,362. It ranks as the 54th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Oak Harbor is 31.5 years. This is 18% lower than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Oak Harbor is $76,084. This is 22% lower than the state median of $98,141. It is also 6% lower than the national median of $80,734. The poverty rate stands at 8.3%. This is 16% lower than the state poverty rate of 9.9%. The unemployment rate is 5.4%. This is 6% higher than the state rate of 5.1%. The median home value is $461,200. Housing costs are 18% lower than the state median of $564,600. The home-value-to-income ratio of 6.1x suggests that housing affordability is a significant concern for many residents. 46.7% of occupied housing units are owner-occupied. This homeownership rate is 27% lower than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Oak Harbor is White (non-Hispanic), making up 60.7% of the population. Hispanic or Latino residents account for 14.1%.
Education
28.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.3%.
Data Sources & Methodology
All demographic data for Oak Harbor, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Oak Harbor, Washington?
Oak Harbor, Washington has a population of 24,362 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oak Harbor, WA?
The median household income in Oak Harbor is $76,084, which is 6% lower than the national median of $80,734.
What is the poverty rate in Oak Harbor, WA?
The poverty rate in Oak Harbor is 8.3%. This means approximately 2,008 residents live below the federal poverty line.
What is the racial makeup of Oak Harbor, Washington?
Oak Harbor's population is 60.7% White, 3.9% Black, 14.1% Hispanic/Latino, and 9.5% Asian.
What is the median home value in Oak Harbor, WA?
The median home value in Oak Harbor is $461,200. The home-value-to-income ratio is 6.1x.
How educated is Oak Harbor, Washington?
28.9% of adults (25+) in Oak Harbor hold a bachelor's degree or higher, and 9.8% hold a graduate or professional degree.