Oak Harbor is a city located in Washington. With a 2020 population of 23,975, it is the 47th largest city in Washington and the 1608th largest city in the United States. Oak Harbor is currently growing at a rate of 0.86% annually and its population has increased by 8.61% since the most recent census, which recorded a population of 22,075 in 2010. Oak Harbor reached it's highest population of 23,975 in 2021. Spanning over 12 miles, Oak Harbor has a population density of 2,486 people per square mile.
The average household income in Oak Harbor is $69,081 with a poverty rate of 9.56%. The median rental costs in recent years comes to $1,234 per month, and the median house value is $277,500. The median age in Oak Harbor is 29.7 years, 29.2 years for males, and 30.9 years for females. For every 100 females there are 97.3 males.