Blaine is a city located in Washington. With a 2020 population of 5,959, it is the 117th largest city in Washington and the 4313th largest city in the United States. Blaine is currently growing at a rate of 3.04% annually and its population has increased by 27.22% since the most recent census, which recorded a population of 4,684 in 2010. Blaine reached it's highest population of 5,959 in 2021. Spanning over 9 miles, Blaine has a population density of 1,063 people per square mile.
The average household income in Blaine is $90,319 with a poverty rate of 7.46%. The median rental costs in recent years comes to $1,066 per month, and the median house value is $334,000. The median age in Blaine is 45.5 years, 45.8 years for males, and 44.2 years for females. For every 100 females there are 102.9 males.