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 a county in Oregon with a population of 80,087. It ranks #14 among counties in Oregon by population. The median age is 36.7, younger than the national median. The population is 52.4% male and 47.6% female.
The median household income in Umatilla County is $68,958, below the US median of $74,580. 9.3% of residents live below the federal poverty level. Home values sit at a median of $256,100, with monthly rent averaging $962. The homeownership rate of 67.1% is close to the national rate of 64.8%.
Educational attainment in Umatilla County reflects 18.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.1 minutes each way.
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.