Umatilla County, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 14th-largest in Oregon
The population of Umatilla County, Oregon is 80,087 as of the 2023 American Community Survey, making it the 14th-largest county in Oregon. The median household income is $68,958, the median home value is $256,100, and the median age is 36.7.
The population of Umatilla County has grown 5.8% since 2010 (76,093 → 80,491), a +0.40% annualized rate.
80,087
Population
+0.40%
Annual growth
25
People / sq mi
$68,958
Median Income
$256,100
Median Home Value
Umatilla County covers 3,215 sq mi of land at 24.9 people per square mile.
About Umatilla County, OR
Umatilla County is distinguished by its share of foreign-born residents, 45.2% of the population. Umatilla County is a county in Oregon with a population of 80,087. It ranks #14 among counties in Oregon by population.
The typical household here earns about $68,958, below the US median of $78,538. About 9.3% of residents live below the federal poverty level, below the national 12.4%. Home values run above average at $256,100, with typical rent around $962.
Roughly 18.0% of adults have a bachelor’s, below the national 35.0%. Most workers commute: only 5.6% work from home, below the national 14.0%, and the average commute runs about 19 minutes each way.
The large foreign-born share is a defining thread in Umatilla County, shaping language, household composition, and the labor force behind the economic figures above.
Umatilla County Population History (2010-2024)
The county of Umatilla County had a population of 76,093 in 2010 and 80,491 in 2024, a 5.8% growth over 14 years. The peak was 80,491 in 2024. Average annual growth rate: 0.40%.
80,491
Population (2024)
76,093
Population (2010)
80,491
Peak (2024)
0.40%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 76,093 |
| 2011 | 76,810 |
| 2012 | 77,011 |
| 2013 | 76,892 |
| 2014 | 76,711 |
| 2015 | 76,491 |
| 2016 | 76,700 |
| 2017 | 77,069 |
| 2018 | 77,332 |
| 2019 | 77,744 |
| 2020 | 79,893 |
| 2021 | 79,713 |
| 2022 | 79,732 |
| 2023 | 79,872 |
| 2024 | 80,491 |
Race & Ethnicity
| White | 70.9% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 5.9% |
| Two or More Races | 0.0% |
Age & Sex
36.7
Median Age
47.6%
Female
52.4%
Male
16.1%
Age 65+
Age Distribution
Children (under 15): 20.4% · Seniors (65+): 16.1%
Income & Poverty
| Median household income | $68,958$-11,468 vs state |
| Mean household income | $86,384 |
| Per-capita income | $31,371 |
| Poverty rate | 9.3%+2.0% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 55.1% |
Top Industries by Employment
The largest employment sector in Umatilla County is professional & business services, accounting for 23.0% of workers.
How residents commute
0.7%
Drive alone
2.3%
Carpool
78.9%
Public transit
5.6%
Work from home
19.1 min
Avg commute
Housing
$256,100$-198,100 vs state
Median home value
$962
Median rent
67.1%
Homeownership rate
31,693
Total housing units
89.0%
Occupied
11.0%
Vacant
32.9%
Renter-occupied
Social & access
92.9%
With health insurance
93.0%
With broadband internet
45.2%
Foreign-born
6.6%
Veterans (18+)
18.2%
With a disability
77.2%
Speak language other than English at home
Education
84.4%
High School+
18.0%
Bachelor's+
Largest cities in Oregon
Other counties in Oregon
Part of Oregon
Metro areas in Oregon
County rankings
Frequently Asked Questions
Umatilla County, Oregon has a population of 80,087 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest county in Oregon. Population density is 25 people per square mile.
The population of Umatilla County has grown 5.8% since 2010 (76,093 → 80,491), a +0.40% annualized rate.
The median household income in Umatilla County, Oregon is $68,958, with mean (average) household income of $86,384 and per-capita income of $31,371. 9.3% of residents live below the federal poverty level.
In Umatilla County, the largest racial and ethnic groups are White (70.9%), Hispanic or Latino (5.9%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Umatilla County, Oregon is 36.7 years. Residents are 47.6% female and 52.4% male.
The median home value in Umatilla County is $256,100 and median monthly rent is $962. 67.1% of occupied housing units are owner-occupied. The county has 31,693 total housing units, 11.0% of which are vacant.
The largest employment sector in Umatilla County, Oregon is professional, scientific, and management services, employing 23.0% of workers. The unemployment rate is 3.1%.
Portland is among the largest cities associated with Umatilla County, Oregon, with a population of 642,715.
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Full rankings of Oregon counties
Statewide data for Oregon
Population, race, income, age, and trends across Oregon
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.