• county
  • FIPS 41061
  • Largest town: La Grande

Union County, Oregon

Union County had 26,058 residents in the Census Vintage 2024 estimate, on 2,036.9 square miles of land. It ranks 24th of 36 in Oregon by population and 16th by land area.

Population
26,058
#24 of 36 in Oregon · #1,579 in US
Area
2,036.9 sq mi
#16 of 36 in Oregon · #279 in US
Density
13 / sq mi
#23 of 36 in Oregon · #2,472 in US
Median household income
$63,524
#22 of 36 in Oregon · #1,510 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Union County within Oregon. Pin: Salem.

Measure from here

Tools and pages that start from Union County

Union County population, land area and income

Union County had 26,058 residents in the Census Vintage 2024 estimate, on 2,036.9 square miles of land. It ranks 24th of 36 in Oregon by population and 16th by land area. That works out to 12.8 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Oregon has 46,128 residents; Union County is somewhat smaller.

Its SAIPE 2023 median household income of $63,524 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

26,058

3144th1st

1579th of 3,144 (US)

Land area

2,037 sq mi

3144th1st

279th of 3,144 (US)

Density

12.8 / sq mi

3144th1st

2472nd of 3,144 (US)

Median household income

$63,524

3143rd1st

1510th of 3,143 (US)

Rank within Oregon (36)

Population

26,058

36th1st

24th of 36 (OR)

Land area

2,037 sq mi

36th1st

16th of 36 (OR)

Density

12.8 / sq mi

36th1st

23rd of 36 (OR)

Median household income

$63,524

36th1st

22nd of 36 (OR)

How Union County's population changed since 2020

Union County lost 110 residents between the July 2020 and July 2024 estimates, a drop of 0.4%. That ranks 26th of 36 in Oregon for growth. The median Oregon county changed by +0.8%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Union County recorded 1,095 births and 1,463 deaths, a natural change of -368. Net international migration added +95 and net domestic migration, people moving to or from other US counties, came to +141. The largest single component was natural change, which removed 368 people.

26.2k202026.3k202126.2k202226.0k202326.1k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,095
Deaths
1,463
Net international migration
+95
Net domestic migration
+141
Change, July 2023 to July 2024
+20

Where Union County is

The Census internal point of Union County is at 45.304100, -117.999100. It sits in UTM zone 11N. The map shades Oregon's 36 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Union County outlined. Dots are towns of 1,000+ people with residents in it.

Grant County: -1.9%Sherman County: +6.9%Wasco County: -0.4%Gilliam County: -2.2%Columbia County: +2.6%Baker County: +0.1%Hood River County: -0.6%Wheeler County: -0.2%Josephine County: +0.1%Crook County: +9.7%Curry County: -3.2%Coos County: -1.0%Jackson County: -1.1%Clackamas County: +0.8%Multnomah County: -2.5%Harney County: -1.4%Union County: -0.4%Wallowa County: +1.6%Lincoln County: +1.4%Yamhill County: +2.9%Klamath County: +1.2%Malheur County: +2.1%Jefferson County: +3.9%Washington County: +1.7%Lane County: -0.5%Umatilla County: +0.7%Lake County: +0.2%Douglas County: +0.9%Clatsop County: -0.3%Deschutes County: +6.0%Morrow County: +1.1%Tillamook County: -0.7%Marion County: +1.9%Polk County: +2.9%Linn County: +2.7%Benton County: +5.6%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.1%
  3. < +1.2%
  4. < +2.7%
  5. ≥ +2.7%
no data

Orange pin: Union County internal point. Dark pin: Salem.

Internal point

Decimal
45.304100, -117.999100
DMS
45°18'14.76"N 117°59'56.76"W
UTM
11N 421673.3E 5017218.4N
Geohash
c2h1dz7et
Plus code
85Q48232+J9

Towns in Union County

4 incorporated places of 1,000+ people have residents in Union County, 18,006 people together, or 69% of the county. Each figure counts only the part of the town inside Union County; towns marked "part" extend into another county. The largest is La Grande with 13,058.

  1. 01La Grande13,058
  2. 02Union2,123
  3. 03Elgin1,694
  4. 04Island City1,131
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Union County

The Census 2024 county adjacency file lists 4 neighbors for Union County. The most populous is Umatilla County, OR, with 80,491 residents. Distances run between Census internal points in a straight line.

Distance to Salem and the nearest big city

Salem is 246.5 miles W of Union County's internal point in a straight line. The nearest place of 100,000 or more is Nampa, ID (population 117,350), 138.3 miles away. The nearest place of 10,000 or more is La Grande, OR (population 13,058), 4.5 miles away.

Union County FIPS code

The FIPS code of Union County is 41061: state code 41 for Oregon plus county code 061. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,524.

Questions people ask

What is the population of Union County, Oregon?

The Census Vintage 2024 estimate for July 1, 2024 is 26,058. That is down 110 people (0.4%) from the July 2020 estimate of 26,168.

What is the FIPS code of Union County?

41061. The first two digits (41) are Oregon; the last three (061) identify the county.

What is the largest town in Union County?

La Grande, with 13,058 residents inside Union County in 2024.

Which counties border Union County?

4 county-equivalents border it in the Census 2024 adjacency file: Umatilla County, OR; Baker County, OR; Wallowa County, OR; Grant County, OR.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.