Washington County, Oregon cities by population

Number of cities: 28
Population: 596,969
Largest city: Portland
Table of cities in Washington County, Oregon sorted by population from largest to smallest.
CityTypePopulation
Portlandcity647,176
Hillsborocity105,909
Beavertoncity97,466
Tigardcity54,750
AlohaCDP52,704
Lake Oswegocity40,390
BethanyCDP29,277
Tualatincity27,821
Wilsonvillecity25,887
Forest Grovecity25,767
Sherwoodcity20,281
Cedar MillCDP18,987
Corneliuscity12,893
Oak HillsCDP11,715
RockcreekCDP9,659
Bull MountainCDP9,545
Cedar HillsCDP9,511
West Haven-SylvanCDP8,469
Garden Home-WhitfordCDP7,237
West SlopeCDP6,970
Raleigh HillsCDP6,726
King Citycity4,992
MetzgerCDP4,282
North Plainscity3,280
Bankscity2,080
Durhamcity2,073
Gastoncity622
Rivergrovecity545

What is the largest city in Washington County, Oregon?

Portland is the largest city in Washington County, Oregon with a population of 647,176.

TOP-5 cities by population in Washington County, Oregon:
  • Portland
  • Hillsboro
  • Beaverton
  • Tigard
  • Aloha