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Where am ILOCATED

Multnomah County, Oregon

Multnomah County, Oregon, has 795,391 residents (July 2025 estimate). Its county seat is Portland. It uses Pacific Time and covers 431 sq mi (1,116 km²) of land.

PortlandEugeneSalem
Multnomah County in Oregon
Clark CountyPortlandGreshamLake OswegoMilwaukieCedar Mill
Multnomah County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
795,391
Land area
431 sq mi (1,116 km²)
County seat or government
Portland
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$88,766 ± $1,813
Median home value
$552,700 ± $6,077
Median rent, with utilities
$1,646 ± $16
Homes lived in by their owners
53.4% ± 0.7 points
County type
County
Metro or micro area
Portland-Vancouver-Hillsboro, OR-WA metro areaCentral county
Water area
34 sq mi (88 km²)
State
Oregon
County code (FIPS)
41051
Coordinates (central point)
45.547711, -122.417363
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Multnomah County

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9722976,106 people
  2. 9712454,357 people
  3. 9720649,890 people
  4. 9708048,411 people
  5. 9723043,553 people
  6. 9720243,533 people
  7. 9721942,430 people
  8. 9703037,708 people
  9. 9723637,558 people
  10. 9722236,398 people
  11. 9723336,236 people
  12. 9726635,423 people
All 44
  1. 9721735,169 people
  2. 9721133,769 people
  3. 9720333,116 people
  4. 9721331,408 people
  5. 9721228,042 people
  6. 9721427,714 people
  7. 9722027,202 people
  8. 9703525,911 people
  9. 9722525,869 people
  10. 9720922,296 people
  11. 9706021,649 people
  12. 9703421,331 people
  13. 9723917,804 people
  14. 9721517,296 people
  15. 9720116,887 people
  16. 9721616,638 people
  17. 9723215,615 people
  18. 9721815,428 people
  19. 9722112,915 people
  20. 9705612,795 people
  21. 9702412,007 people
  22. 9721011,324 people
  23. 972059,121 people
  24. 970098,336 people
  25. 972275,665 people
  26. 971335,416 people
  27. 972314,308 people
  28. 970193,233 people
  29. 970141,459 people
  30. 97204885 people
  31. 972080 people
  32. 972580 people

44 ZIP Code areas overlap Multnomah County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Multnomah County, largest first

  1. Portland School District 1J513,241 people
  2. Beaverton School District 48J294,537 people
  3. Hillsboro School District 1J141,231 people
  4. Gresham-Barlow School District 1J82,378 people
  5. Reynolds School District 775,784 people
  6. David Douglas School District 4065,004 people
  7. Lake Oswego School District 7J45,299 people
  8. Centennial School District 28J44,056 people
  9. Parkrose School District 326,487 people
  10. Scappoose School District 1J15,534 people
  11. Rainier School District 137,817 people
  12. Corbett School District 393,804 people
All 13
  1. Riverdale School District 51J3,730 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Portland, Oregon (city)641,165 people
  2. Gresham, Oregon (city)112,378 people
  3. Lake Oswego, Oregon (city)40,381 people
  4. Milwaukie, Oregon (city)21,392 people
  5. Cedar Mill, Oregon (CDP)19,471 people
  6. Troutdale, Oregon (city)15,923 people
  7. Fairview, Oregon (city)10,735 people
  8. West Haven-Sylvan, Oregon (CDP)7,674 people
  9. Wood Village, Oregon (city)4,696 people
  10. Dunthorpe, Oregon (CDP)1,875 people
  11. Maywood Park, Oregon (city)987 people
  12. Orient, Oregon (CDP)481 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clark County, Washington16 mi north
  2. Clackamas County, Oregon29 mi south
  3. Washington County, Oregon33 mi west
  4. Hood River County, Oregon37 mi east
  5. Skamania County, Washington40 mi northeast
  6. Columbia County, Oregon42 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.