Auburn is a city located in Maine. With a 2020 population of 23,256, it is the 5th largest city in Maine (after Portland, Lewiston, Bangor, and South Portland) and the 1645th largest city in the United States. Auburn is currently growing at a rate of 0.13% annually and its population has increased by 0.87% since the most recent census, which recorded a population of 23,055 in 2010. Auburn reached it's highest population of 24,449 in 1960. Spanning over 66 miles, Auburn has a population density of 392 people per square mile.
The average household income in Auburn is $63,941 with a poverty rate of 13.12%. The median rental costs in recent years comes to $758 per month, and the median house value is $155,900. The median age in Auburn is 39.7 years, 38.7 years for males, and 40.9 years for females. For every 100 females there are 91.8 males.