Monroe Flag

Monroe

County Seat:
No
Area (mi²):
6.375
State:
Washington

Monroe is a city located in Snohomish County, Washington. Monroe has a 2025 population of 19,059. Monroe is currently declining at a rate of -1.01% annually and its population has decreased by -4.84% since the most recent census, which recorded a population of 20,029 in 2020.

The average household income in Monroe is $120,644 with a poverty rate of 7%.The median age in Monroe is 35.1 years: 35 years for males, and 35.5 years for females.

19.1K
Total Population
2,990
Density (mi²)
-194 -1.01%
Growth

Monroe 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)