Umatilla County, Administrative division in northeastern Oregon, United States.
Umatilla County stretches across 3,200 square miles, incorporating 12 cities and territories from the Columbia River to the Blue Mountains.
The county emerged in 1862 as a governmental entity, serving as a central point for Native American communities and European settlement patterns.
The county seat of Pendleton maintains regional traditions through annual rodeos and agricultural fairs that draw participants from multiple states.
The Department of Administrative Services manages essential functions including elections, marriage licenses, property records, and information technology across the county.
The county contains 47,081 registered voters who participate in local governance through regular meetings and community development initiatives.
Location: Oregon
Inception: 1862
Capital city: Pendleton
Shares border with: Benton County, Walla Walla County, Columbia County, Wallowa County, Union County, Grant County, Morrow County
Website: http://co.umatilla.or.us
GPS coordinates: 45.37513,-118.75137
Latest update: May 27, 2025 11:30
McNary Dam
75.5 km
Emigrant Springs State Heritage Area
29.2 km
Hat Rock State Park
68.2 km
Lake Wallula
75.6 km
Umatilla Bridge
76 km
North Fork Umatilla Wilderness
60.4 km
Tamástslikt Cultural Institute
31.8 km
McKay Reservoir
25.9 km
Cold Springs National Wildlife Refuge
62.6 km
McKay Creek National Wildlife Refuge
25.9 km
Bridge Creek Wildlife Area
39.4 km
Hilgard Junction State Recreation Area
40.2 km
Red Bridge State Wayside
34.1 km
Battle Mountain Forest State Scenic Corridor
21.3 km
Ukiah–Dale Forest State Scenic Corridor
32.7 km
Pendleton Round-Up and Happy Canyon Hall of Fame
32.9 km
Pendleton Center for the Arts
33.5 km
St. Peter's Roman Catholic Church
53.6 km
Langdon Lake
68.6 km
John F. Kilkenny United States Post Office and Courthouse
33.1 km
RiverBend Alternative Education School
40.1 km
John Anthony House
51.7 km
Greasewood Finnish Apostolic Lutheran Church
45.1 km
Echo Methodist Church
53.6 km
James H. and Cynthia Koontz House
53.8 km
Inlow Hall
52.1 km
Bank of Echo Building
53.5 km
Wolf Creek Reservoir
67.1 kmReviews
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