Auburn Flag

Auburn

County:
King County
County Seat:
No
Area (mi²):
29.577
State:
Washington

Auburn is a city located in King County, Washington. Auburn has a 2025 population of 85,130 . Auburn is currently declining at a rate of -0.45% annually and its population has decreased by -2.2% since the most recent census, which recorded a population of 87,045 in 2020.

The average household income in Auburn is $114,010 with a poverty rate of 7.58%. The median age in Auburn is 35.7 years: 35.3 years for males, and 36.2 years for females. For every 100 females there are 100.2 males.

85.1K
Total Population
2,878
Density (mi²)
-383 -0.45%
Growth

Auburn Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)