Oak Harbor, WA Profile: Facts & Data


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Oak Harbor, Washington - Basic Facts

The City of Oak Harbor had a population of 25,252 as of July 1, 2023. Oak Harbor ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Oak Harbor is located at latitude 48.2932 and longitude -122.6432 in Island County. The formal boundaries for the City of Oak Harbor encompass a land area of 9.65 sq. miles and a water area of 0.05 sq. miles. Island County is in the Pacific time zone (GMT -8).

The City of Oak Harbor has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Oak Harbor is located within North Whidbey Island Division of Island County.

Jump to... (On This Page!)
  1. Oak Harbor 2023 Demographic Data
  2. Growth Rates for Oak Harbor (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Washington Research Tools (Easy Tools & Current Data)
  3. Washington Data Comparison Tool - 2023 Demographics

Oak Harbor, WA Data & Demographics (As of July 1, 2023)


Total Population 25,252 (100%)
Population in Households 25,098 (99.4%)
Population in Families 20,399 (80.8%)
Population in Group Quarters1 154 ( 0.6%)
Population Density 2,616
Diversity Index2 67


Median Household Income $62,629
Average Household Income $84,387
% of Income for Mortgage4 36%
Per Capita Income $32,708
Wealth Index5 60
Socioeconomic Status Index6 Moderate (49.6)


Total HU (Housing Units) 10,253 (100%)
Owner Occupied HU 4,718 (46.0%)
Renter Occupied HU 5,066 (49.4%)
Vacant Housing Units 469 ( 4.6%)
Median Home Value $371,899
Average Home Value $434,213
Housing Affordability Index3 69


Total Households 9,784
Average Household Size 2.57
Family Households 6,534
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population 0.78% 0.31%
Households 0.81% 0.44%
Families   0.54%
Median Household Income   2.18%
Per Capita Income   2.60%
Owner Occupied HU   1.20%

Oak Harbor, WA - Peer Comparisons by Rank and Percentile

The table below compares Oak Harbor to the other 639 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2023 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 53 92nd
Population Density # 118 82nd
Median Household Income # 434 32nd
Housing Affordability Index # 254 40th
Per Capita Income # 459 28th
Diversity Index # 124 81st

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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