Multnomah County | |
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Coordinates: 45°32′N 122°25′W / 45.54°N 122.41°W | |
Country | United States |
State | Oregon |
Founded | December 22, 1854 |
Named for | Multnomah people |
Seat | Portland |
Largest city | Portland |
Area | |
• Total | 466 sq mi (1,210 km2) |
• Land | 431 sq mi (1,120 km2) |
• Water | 34 sq mi (90 km2) 7.4% |
Population (2020) | |
• Total | 815,428 |
• Estimate (2023) | 789,698 |
• Density | 1,700/sq mi (680/km2) |
Time zone | UTC−8 (Pacific) |
• Summer (DST) | UTC−7 (PDT) |
Congressional districts | 1st, 3rd, 5th |
Website | www |
Multnomah County /mʌltˈnoʊmə/ 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.[1] Multnomah County is part of the Portland–Vancouver–Hillsboro, OR–WA metropolitan statistical area. The state's smallest and most populous county,[2] its county seat, Portland, is the state's largest city.[3]