Umatilla County, Oregon
Umatilla County: County in Oregon, United States
About
Umatilla County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 75,889 and a population density of 9 people per km². After 10 years in 2020 county had an estimated population of 77,752 inhabitants. Its county seat is Pendleton. The county was created 163 years ago in 1861.
![Umatilla County locator map](https://cdn.mapsof.net/images/576/5758058/umatilla-county-locator-map-image_141357.png)
Quick Facts about Umatilla County
Population : | 77,752 (2020) |
Country : | United States of America |
State : | Oregon (United States) |
Area : | 8369 km2 |
Water as percent of area : | 0.5% |
Land as percent of area : | 99.5% |
Named for : | Umatilla River |
Altitude : | 3,871 feet / 1180 meters |
Capital : | Pendleton |
Establishment : | January 01, 1862 |
Time Zone : | America/Los_Angeles |
Local time : | 15:55:23 (13th February 2025) |
Density : | 9 Pop. per km² as of 2020 |
Population growth : | 2.4% (2010-2020) |
![UmatillaCountyCircuitCourt image](https://cdn.mapsof.net/images/576/5758058/umatilla-county-image_6366.jpg)
![UmatillaCountyCircuitCourt image](https://cdn.mapsof.net/images/576/5758058/umatilla-county-image_6366.jpg)
Geography
Umatilla County is located at 45°35'31"N 118°44'13"W (45.5919000, -118.7368300). It has 5 neighbors: Grant County, Union County, Morrow County, Wallowa County and Walla Walla County.
Umatilla County map
The largest city of Umatilla County is Hermiston with a population of 17,791. Other cities include, Pendleton population 16,593, Umatilla population 7,360, Milton-Freewater population 7,052 and Stanfield population 2,107. See all Umatilla County cities & populated places.
Umatilla County Populated Places
Cities, towns, neighborhoods & other populated places in Umatilla County.
City Name | Population | Title |
---|---|---|
Hermiston | 17,791 | City in Oregon, USA |
Pendleton | 16,593 | City in Oregon, USA |
Umatilla | 7,360 | City in Umatilla County, Oregon, United States |
Milton-Freewater | 7,052 | City in Oregon, USA |
Stanfield | 2,107 | City in Oregon, USA |
Pilot Rock | 1,507 | City in Oregon, USA |
Athena | 1,140 | City in Oregon, USA |
Echo | 705 | City in Oregon, USA |
Weston | 650 | City in Oregon, USA |
Adams | 359 | City in Oregon, USA |
Ukiah | 194 | City in Oregon, USA |
Helix | 191 | City in Oregon, USA |
- Official Website
Official website of Umatilla County
Umatilla County has 5 neighbours.
- Grant County county in Oregon, United States
- Union County county in Oregon, United States
- Morrow County county in Oregon, United States
- Wallowa County county in Oregon, United States
- Walla Walla County county in the state of Washington, United States
- Pendleton
Demographics
The population of Umatilla County increased by 2.4% in 10 years.
Year | Population | % Change | Method |
2010 | 75,889 | - | census |
2011 | 76,804 | 1.19% | estimation process |
2012 | 77,005 | 0.26% | estimation process |
2013 | 76,875 | -0.17% | estimation process |
2014 | 76,685 | -0.25% | estimation process |
2015 | 76,467 | -0.29% | estimation process |
2016 | 76,686 | 0.29% | estimation process |
2017 | 77,120 | 0.56% | estimation process |
2018 | 77,421 | 0.39% | estimation process |
2019 | 77,950 | 0.68% | estimation process |
2020 | 77,752 | -0.25% | estimation process |
Oregon Other Counties (more counties)
County Name | Population | Title |
---|---|---|
Multnomah County | 815,637 | County in Oregon, United States |
Portland | 656,751 | The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area. |
Washington County | 603,514 | County in Oregon, United States |
Clackamas County | 421,596 | County in Oregon, United States |
Lane County | 382,986 | County in Oregon, United States |
Marion County | 349,204 | County in Oregon, United States |
Jackson County | 221,844 | County in Oregon, United States |
Deschutes County | 201,769 | County in Oregon, United States |
Salem | 175,891 | The capital of Oregon. |
Eugene | 173,236 | The second most populous city in Oregon. |
Linn County | 131,054 | County in Oregon, United States |
Terrebonne | 117,664 | Census-designated place in Deschutes County, Oregon |
Douglas County | 111,364 | County in Oregon, United States |
Hillsboro | 110,985 | The most populous city in Washington County, Oregon. |
Gresham | 110,031 | The second most populous city in Multnomah County, Oregon. |
Yamhill County | 107,664 | County in Oregon, United States |