Burlington is a city located in Washington. With a 2020 population of 9,462, it is the 92nd largest city in Washington and the 3215th largest city in the United States. Burlington is currently growing at a rate of 1.27% annually and its population has increased by 12.80% since the most recent census, which recorded a population of 8,388 in 2010. Burlington reached it's highest population of 9,462 in 2021. Spanning over 4 miles, Burlington has a population density of 2,211 people per square mile.
The average household income in Burlington is $63,839 with a poverty rate of 18.37%. The median rental costs in recent years comes to $1,092 per month, and the median house value is $240,800. The median age in Burlington is 35.2 years, 35.6 years for males, and 33.4 years for females. For every 100 females there are 90.9 males.