The City of Oak Harbor located in Island County has a Census Class Code of C1 which indicates an active incorporated place that does not serve as a county subdivision equivalent.
This Incorporated Place has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
The population of the City of Oak Harbor was 22,075 during the 2010 Census. There were 9,553 housing units on a land are of 9.4 square miles. The water area for the was reported to be 0.1 square miles. The population density was 2,342.9 people per square mile.
This boundary map for the City of Oak Harbor is based on information provided by the U.S. Census Bureau for the 2010 Census.