Union County, Oregon Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 23rd-largest in Oregon

The population of Union County, Oregon is 26,192 as of the 2023 American Community Survey, making it the 23rd-largest county in Oregon. The median household income is $64,212, the median home value is $260,500, and the median age is 40.1.

The population of Union County has grown 1.3% since 2010 (25,725 → 26,058), a +0.09% annualized rate.

Union County within Oregon · Source: US Census TIGER/Line via us-atlas

26,192

Population

+0.09%

Annual growth

People / sq mi

$64,212

Median Income

$260,500

Median Home Value

Union County covers 2,037 sq mi of land at 12.9 people per square mile.

About Union County, OR

Union County is a county in Oregon with a population of 26,192. It ranks #23 among counties in Oregon by population. The median age is 40.1, older than the national median. The population is 49.5% male and 50.5% female.

The median household income in Union County is $64,212, below the US median of $74,580. 8.8% of residents live below the federal poverty level. Home values sit at a median of $260,500, with monthly rent averaging $982. The homeownership rate of 64.6% is close to the national rate of 64.8%.

Educational attainment in Union County reflects 24.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 17.2 minutes each way.

Union County Population History (2010-2024)

The county of Union County had a population of 25,725 in 2010 and 26,058 in 2024, a 1.3% growth over 14 years. The peak was 26,733 in 2018. Average annual growth rate: 0.10%.

26,058

Population (2024)

25,725

Population (2010)

26,733

Peak (2018)

0.10%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	25,725	-	-	estimate
2011	25,906	+181	+0.70%	estimate
2012	25,801	-105	-0.41%	estimate
2013	25,531	-270	-1.05%	estimate
2014	25,645	+114	+0.45%	estimate
2015	25,720	+75	+0.29%	estimate
2016	26,082	+362	+1.41%	estimate
2017	26,410	+328	+1.26%	estimate
2018	26,733	+323	+1.22%	estimate
2019	26,733	0	0.00%	estimate
2020	26,168	-565	-2.11%	estimate
2021	26,287	+119	+0.45%	estimate
2022	26,167	-120	-0.46%	estimate
2023	26,038	-129	-0.49%	estimate
2024	26,058	+20	+0.08%	estimate

Race & Ethnicity

White	88.4%
Black or African American	0.9%
Asian	0.0%
Hispanic or Latino (any race)	2.3%
Two or More Races	0.0%

Age & Sex

40.1

Median Age

50.5%

Female

49.5%

Male

21.0%

Age 65+

Age Distribution

Under 5

4.9%

5–9

6.5%

10–14

6.2%

15–19

7.2%

20–24

8.1%

25–34

11.5%

35–44

12.4%

45–54

9.9%

55–59

5.2%

60–64

7.0%

65–74

12.4%

75–84

6.1%

85+

2.5%

Children (under 15): 17.6% · Seniors (65+): 21.0%

Income & Poverty

Median household income	$64,212$-16,214 vs state
Mean household income	$83,393
Per-capita income	$34,745
Poverty rate	8.8%+1.5% vs state
Unemployment rate	3.3%
Employment-to-population	55.5%

Top Industries by Employment

Professional & business services

24.0%

Education & health care

11.6%

Manufacturing

10.0%

Public administration

7.6%

Retail trade

6.0%

Finance & real estate

5.9%

Agriculture

5.9%

Construction

5.7%

The largest employment sector in Union County is professional & business services, accounting for 24.0% of workers.

How residents commute

0.3%

Drive alone

5.6%

Carpool

73.6%

Public transit

6.8%

Work from home

17.2 min

Avg commute

Housing

$260,500$-193,700 vs state

Median home value

$982

Median rent

64.6%

Homeownership rate

11,786

Total housing units

92.1%

Occupied

7.9%

Vacant

35.4%

Renter-occupied

Social & access

93.1%

With health insurance

92.4%

With broadband internet

39.8%

Foreign-born

8.0%

Veterans (18+)

17.5%

With a disability

95.0%

Speak language other than English at home

Education

93.5%

High School+

24.9%

Bachelor's+

Largest cities in Oregon

Portland (642,715)Eugene (177,520)Salem (176,666)Gresham (112,818)Hillsboro (107,050)Bend (101,472)Beaverton (97,502)Medford (85,794)Springfield (61,642)Corvallis (60,424)All Oregon cities →

Other counties in Oregon

Multnomah County (803,863)Washington County (600,266)Clackamas County (422,308)Lane County (382,628)Marion County (346,532)Jackson County (222,563)Deschutes County (203,026)Linn County (129,794)Douglas County (111,807)Yamhill County (108,122)All Oregon counties →

Part of Oregon

Oregon demographic profile All Oregon data →

Metro areas in Oregon

Portland (2,510,529)Salem (435,085)Eugene (382,628)Bend (253,650)Medford (222,563)Albany (129,794)Corvallis (96,359)Grants Pass (88,069)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Union County, Oregon has a population of 26,192 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest county in Oregon. Population density is 13 people per square mile.

The population of Union County has grown 1.3% since 2010 (25,725 → 26,058), a +0.09% annualized rate.

The median household income in Union County, Oregon is $64,212, with mean (average) household income of $83,393 and per-capita income of $34,745. 8.8% of residents live below the federal poverty level.

In Union County, the largest racial and ethnic groups are White (88.4%), Hispanic or Latino (2.3%), Black or African American (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Union County, Oregon is 40.1 years. Residents are 50.5% female and 49.5% male.

The median home value in Union County is $260,500 and median monthly rent is $982. 64.6% of occupied housing units are owner-occupied. The county has 11,786 total housing units, 7.9% of which are vacant.

The largest employment sector in Union County, Oregon is professional, scientific, and management services, employing 24.0% of workers. The unemployment rate is 3.3%.

Portland is among the largest cities associated with Union County, Oregon, with a population of 642,715.