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Where am ILOCATED

Umatilla County, Oregon

Umatilla County, Oregon, has 81,119 residents (July 2025 estimate). Its county seat is Pendleton. It uses Pacific Time and covers 3,215 sq mi (8,328 km²) of land.

PortlandEugeneSalem
Umatilla County in Oregon
Morrow CountyUnion CountyHermistonPendletonUmatillaMilton-FreewaterStanfield
Umatilla County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
81,119
Land area
3,215 sq mi (8,328 km²)
County seat or government
Pendleton
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$67,728 ± $3,279
Median home value
$282,600 ± $11,329
Median rent, with utilities
$997 ± $40
Homes lived in by their owners
67.9% ± 1.6 points
County type
County
Metro or micro area
Hermiston-Pendleton, OR micro areaCentral county
Water area
16.1 sq mi (41.6 km²)
State
Oregon
County code (FIPS)
41059
Coordinates (central point)
45.591200, -118.733880
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 Umatilla 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. 9936242,853 people
  2. 9783828,512 people
  3. 9780121,575 people
  4. 9786212,313 people
  5. 978827,976 people
  6. 978752,410 people
  7. 978681,598 people
  8. 978131,508 people
  9. 978861,221 people
  10. 978261,178 people
  11. 97810759 people
  12. 97835608 people
All 14
  1. 97880248 people
  2. 9785995 people

14 ZIP Code areas overlap Umatilla 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

Umatilla County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Umatilla County, largest first

  1. Hermiston School District 829,550 people
  2. Pendleton School District 1622,063 people
  3. Milton-Freewater School District 712,389 people
  4. Umatilla School District 66,946 people
  5. Athena-Weston School District 29J2,947 people
  6. Stanfield School District 612,407 people
  7. Pilot Rock School District 21,585 people
  8. Echo School District 51,078 people
  9. Helix School District 1727 people
  10. Ukiah School District 80248 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.

Tribal areas in Umatilla County, largest first

  1. Umatilla Reservation and Off-Reservation Trust Land2,840 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

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

  1. Hermiston, Oregon (city)19,546 people
  2. Pendleton, Oregon (city)16,950 people
  3. Umatilla, Oregon (city)7,508 people
  4. Milton-Freewater, Oregon (city)7,036 people
  5. Stanfield, Oregon (city)1,902 people
  6. Athena, Oregon (city)1,377 people
  7. Pilot Rock, Oregon (city)1,283 people
  8. Umapine, Oregon (CDP)1,215 people
  9. Mission, Oregon (CDP)878 people
  10. Green Meadows, Oregon (CDP)584 people
  11. Echo, Oregon (city)494 people
  12. Helix, Oregon (city)471 people
All 22
  1. Weston, Oregon (city)443 people
  2. Gopher Flats, Oregon (CDP)382 people
  3. Tutuilla, Oregon (CDP)365 people
  4. Riverside, Oregon (CDP)362 people
  5. Adams, Oregon (city)292 people
  6. Kirkpatrick, Oregon (CDP)258 people
  7. Ukiah, Oregon (city)177 people
  8. McKay, Oregon (CDP)74 people
  9. Cayuse, Oregon (CDP)44 people
  10. Meacham, Oregon (CDP)32 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Union County, Oregon41 mi southeast
  2. Morrow County, Oregon44 mi west
  3. Walla Walla County, Washington47 mi north
  4. Benton County, Washington58 mi northwest
  5. Wallowa County, Oregon75 mi east
  6. Grant County, Oregon77 mi south

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.