Tualatin Flag

Tualatin

County Seat:
No
Area (mi²):
8.398
State:
Oregon

Tualatin is a city located in Washington County, Oregon. Tualatin has a 2026 population of 28,036. Tualatin is currently growing at a rate of 1.65% annually and its population has increased by 0.55% since the most recent census, which recorded a population of 27,884 in 2020.

28K
Total Population
3,339
Density (mi²)
456 1.65%
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)