Auburn is a city located in Washington. With a 2020 population of 80,814, it is the 16th largest city in Washington and the 438th largest city in the United States. Auburn is currently declining at a rate of -0.40% annually but its population has increased by 15.15% since the most recent census, which recorded a population of 70,180 in 2010. Auburn reached it's highest population of 81,789 in 2018. Spanning over 30 miles, Auburn has a population density of 2,733 people per square mile.
The average household income in Auburn is $90,539 with a poverty rate of 10.67%. The median rental costs in recent years comes to $1,245 per month, and the median house value is $327,200. The median age in Auburn is 35.5 years, 34.9 years for males, and 36.3 years for females. For every 100 females there are 95.7 males.