Mattawa Flag

Mattawa

County:
Grant County
County Seat:
No
Area (mi²):
1.001
State:
Washington

Mattawa is a city located in Grant County, Washington. Mattawa has a 2026 population of 3,784. Mattawa is currently growing at a rate of 0.4% annually and its population has increased by 13.02% since the most recent census, which recorded a population of 3,348 in 2020.

3.8K
Total Population
3,779
Density (mi²)
15 0.4%
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)