Multnomah County Plat Map

Multnomah County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the county's population was 815,428. Multnomah County is part of the Portland metropolitan area. The state's smallest and most populous county, its county seat, Portland, is the state's most populous city.
  • Country: United States
  • State: Oregon
  • Founded: December 22, 1854
  • Named for: Multnomah people
  • Seat: Portland
  • Largest city: Portland
  • Congressional districts: 1st, 3rd, 5th

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Data from: en.wikipedia.org