Monroe Flag

Monroe

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

Monroe is a city located in Snohomish County, Washington. Monroe has a 2026 population of 19,927. Monroe is currently growing at a rate of 1.75% annually but its population has decreased by -0.48% since the most recent census, which recorded a population of 20,024 in 2020.

19.9K
Total Population
3,126
Density (mi²)
343 1.75%
Growth

Nearby Cities

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)