Union County, Oregon

Union County, Oregon, has 25,900 residents (July 2025 estimate). Its county seat is La Grande. It uses Pacific Time and covers 2,037 sq mi (5,276 km²) of land.

PortlandEugeneSalem
Union County in Oregon
Umatilla CountyWallowa CountyLa GrandeUnionElgin
Union County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
25,900
Land area
2,037 sq mi (5,276 km²)
County seat or government
La Grande
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$65,661 ± $3,326
Median home value
$294,600 ± $14,624
Median rent, with utilities
$982 ± $47
Homes lived in by their owners
65.5% ± 2.4 points
County type
County
Metro or micro area
La Grande, OR micro areaCentral county
Water area
1.91 sq mi (4.94 km²)
State
Oregon
County code (FIPS)
41061
Coordinates (central point)
45.304081, -117.999149

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 Union 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. 9785016,903 people
  2. 9781412,590 people
  3. 978832,489 people
  4. 978272,384 people
  5. 978242,117 people
  6. 97876995 people
  7. 97867947 people
  8. 97841370 people

8 ZIP Code areas overlap Union 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

Union 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 Union County, largest first

  1. La Grande School District 116,916 people
  2. Baker School District 5J13,677 people
  3. Athena-Weston School District 29J2,947 people
  4. Union School District 52,504 people
  5. Elgin School District 232,390 people
  6. Cove School District 152,026 people
  7. Imbler School District 111,422 people
  8. North Powder School District 8J953 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. La Grande, Oregon (city)13,058 people
  2. Union, Oregon (city)2,290 people
  3. Elgin, Oregon (city)1,549 people
  4. Island City, Oregon (city)1,145 people
  5. Cove, Oregon (city)651 people
  6. North Powder, Oregon (city)563 people
  7. Imbler, Oregon (city)189 people
  8. Summerville, Oregon (town)106 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Umatilla County, Oregon41 mi northwest
  2. Baker County, Oregon44 mi south
  3. Wallowa County, Oregon44 mi northeast
  4. Grant County, Oregon75 mi southwest

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.