Cities and Towns in Union County, Oregon
Founded in 1864, Union County is one of 36 counties in the state of Oregon. Historically, Union County was formed from Baker County. The city of La Grande is the county seat. With FIPS code of 61, Union County has a population of 26,212 and area of 2,037 square miles (5,276 km²).
List of all cities in Union County, OR alphabetically
| City/Town | Postal Code | Area Code |
| Cove, OR | 97824 | 541 |
| Elgin, OR | 97827 | 541 |
| Imbler, OR | 97841 | 541 |
| Island City, OR | 97850 | 541 |
| La Grande, OR | 97850 | 541 |
| North Powder, OR | 97867 | 541 |
| Summerville, OR | 97876 | 541 |
| Union, OR | 97883 | 541 |
Major Cities and Towns in Union County, Oregon
La Grande
Overview
La Grande, the county seat of Union County, lies in the Grande Ronde Valley and serves as a gateway to the Blue Mountains. Established in the mid-1800s as a stop along the Oregon Trail, La Grande grew rapidly due to its location and the arrival of the railroad. Today, the city is a regional hub for education, commerce, and outdoor recreation. Eastern Oregon University, located in La Grande, is a major educational and cultural institution. La Grande High School is another key school in the area, known for its academic and athletic programs. Landmarks include the Union County Museum, Morgan Lake, and the nearby Mount Emily Recreation Area, which offers trails for hiking, mountain biking, and winter sports.
Key Information
- Area: 4.58 square miles
- Population: Approximately 13,000
- Zip Codes: 97850
- Latitude and Longitude: 45.3246° N, 118.0877° W
Union
Overview
Union, one of Oregon’s oldest towns, is located southeast of La Grande in the Grande Ronde Valley. Incorporated in the late 19th century, Union once vied to be the county seat and was an important center for agriculture and commerce. The town is known for its Victorian architecture, particularly the historic Union Hotel, which has stood since the late 1800s. Union High School serves the local student population, emphasizing a tight-knit educational community. Landmarks include Catherine Creek State Park and the Union County Fairgrounds, which host annual events celebrating the area’s agricultural roots.
Key Information
- Area: 2.1 square miles
- Population: Approximately 2,000
- Zip Codes: 97883
- Latitude and Longitude: 45.2080° N, 117.8688° W
North Powder
Overview
North Powder, located along Interstate 84, is a small town with a rich history tied to agriculture and the railroad. Founded in the late 1800s, the town served as a stopover for travelers and a shipping point for local farms. Today, North Powder maintains its rural character while providing access to outdoor activities, including nearby Anthony Lakes Mountain Resort. North Powder Charter School is a cornerstone of the community, offering K-12 education. Landmarks include Anthony Lakes for skiing and hiking, and the historic Powder River, which adds to the town’s scenic beauty.
Key Information
- Area: 0.49 square miles
- Population: Approximately 500
- Zip Codes: 97867
- Latitude and Longitude: 45.0310° N, 117.9164° W
Elgin
Overview
Elgin, located along the Grande Ronde River, is a charming small town known for its logging history and connection to the Wallowa-Whitman National Forest. Established in the late 1800s, Elgin grew as a timber town and continues to celebrate its heritage through events like the Elgin Stampede. The town’s schools, including Elgin High School, provide education to local students in a close-knit environment. Landmarks include the Elgin Opera House, a historic performing arts venue, and the Grande Ronde River, which offers opportunities for fishing and kayaking.
Key Information
- Area: 0.96 square miles
- Population: Approximately 1,800
- Zip Codes: 97827
- Latitude and Longitude: 45.5643° N, 117.9176° W
Cove
Overview
Cove, situated in the eastern foothills of the Grande Ronde Valley, is a picturesque community with a rich history of fruit orchards and hot springs. Established in the late 19th century, Cove became a retreat destination due to its mineral springs. Today, it remains a tranquil town with a strong agricultural base. Cove Charter School serves the area, offering a well-rounded education with a focus on community values. Landmarks include the historic Ascension Chapel and the annual Cove Cherry Fair, which celebrates the town’s fruit-growing heritage and tight-knit community spirit.
Key Information
- Area: 0.62 square miles
- Population: Approximately 675
- Zip Codes: 97824
- Latitude and Longitude: 45.2962° N, 117.8103° W
Union County’s cities and towns reflect the region’s vibrant history, educational focus, and connection to the natural beauty of northeastern Oregon. Each community contributes uniquely to the county’s character and charm.
