Cities and Towns in Malheur County, Oregon
Founded in 1887, Malheur County is one of 36 counties in the state of Oregon. Historically, Malheur County was formed from Southern portion of Baker County. The city of Vale is the county seat. With FIPS code of 45, Malheur County has a population of 31,693 and area of 9,888 square miles (25,610 km²).
List of all cities in Malheur County, OR alphabetically
| City/Town | Postal Code | Area Code |
| Adrian, OR | 97901 | 541 |
| Arcadia, OR | 97913 | 541 |
| Arock, OR | 97902 | 541 |
| Beulah, OR | 97911 | 541 |
| Brogan, OR | 97903 | 541 |
| Burns Junction, OR | 97910 | 541 |
| Cairo, OR | 97914 | 541 |
| Claude, OR | 97914 | 541 |
| Danner, OR | 97910 | 541 |
| Harper, OR | 97906 | 541 |
| Ironside, OR | 97908 | 541 |
| Jamieson, OR | 97909 | 541 |
| Jonesboro, OR | 97911 | 541 |
| Jordan Valley, OR | 97910 | 541 |
| Juntura, OR | 97911 | 541 |
| Nyssa, OR | 97913 | 541 |
| Ontario, OR | 97914 | 541 |
| Owyhee Corners, OR | 97913 | 541 |
| Riverside, OR | 97917 | 541 |
| Rome, OR | 97910 | 541 |
| Vale, OR | 97908 | 541 |
| 97918 | 541 | |
| Westfall, OR | 97920 | 541 |
| Willowcreek, OR | 97918 | 541 |
Major Cities and Towns in Malheur County, Oregon
Ontario
Overview
Ontario, the largest city in Malheur County, is located along the Snake River, which forms the border between Oregon and Idaho. Incorporated in 1899, Ontario developed as a key hub for agriculture and transportation, benefiting from its location along major rail and highway routes. Known as the “Gateway to Oregon,” Ontario thrives on its agricultural economy, with onions being one of its primary crops. Ontario High School serves the community, emphasizing academic and athletic excellence. Landmarks include the Four Rivers Cultural Center, which celebrates the region’s diverse heritage, and the Ontario State Recreation Site, offering access to the Snake River for fishing and boating. Ontario’s proximity to Idaho and its vibrant economy make it a dynamic city in eastern Oregon.
Key Information
- Area: 5.2 square miles
- Population: Approximately 11,000
- Zip Codes: 97914
- Latitude and Longitude: 44.0266° N, 116.9629° W
Vale
Overview
Vale, the county seat of Malheur County, is steeped in history as the first stop in Oregon for travelers on the Oregon Trail. Incorporated in 1889, Vale grew as a trading and ranching town, with its location along the Malheur River serving as a natural gathering point. Today, Vale retains its historic charm with a vibrant downtown filled with murals depicting its Oregon Trail heritage. Vale High School serves the local student population, emphasizing a connection to community and history. Landmarks include the Vale Murals, which provide a walking tour of the town’s rich history, and Keeney Pass, a nearby landmark on the Oregon Trail. Vale’s historic significance and community pride make it a unique and welcoming town.
Key Information
- Area: 1.2 square miles
- Population: Approximately 1,900
- Zip Codes: 97918
- Latitude and Longitude: 43.9821° N, 117.2382° W
Nyssa
Overview
Nyssa, located near the Snake River, is known for its strong agricultural roots, particularly in onion and sugar beet production. Incorporated in 1903, Nyssa grew as a center for farming and irrigation development. The city is part of the Treasure Valley and is home to a diverse population that contributes to its rich cultural heritage. Nyssa High School is the primary educational institution, fostering strong community ties. Landmarks include the Nyssa-Thunderegg Days festival, celebrating the town’s namesake geode, and access to outdoor recreation along the Owyhee and Snake Rivers. Nyssa’s agricultural significance and friendly community make it a vital part of Malheur County.
Key Information
- Area: 1.2 square miles
- Population: Approximately 3,200
- Zip Codes: 97913
- Latitude and Longitude: 43.8765° N, 116.9949° W
Jordan Valley
Overview
Jordan Valley, located in the southwestern corner of Malheur County, is a small ranching town surrounded by the rugged beauty of Oregon’s high desert. Founded in the late 19th century, Jordan Valley grew as a hub for sheep and cattle ranching. The town retains its Western charm, with Basque heritage influencing its culture and festivals. Jordan Valley High School serves the local student population, emphasizing a close-knit educational environment. Landmarks include the historic Jordan Craters, which feature ancient volcanic formations, and the Owyhee Canyonlands, offering breathtaking landscapes for outdoor enthusiasts. Jordan Valley’s remote location and scenic surroundings make it a unique gem in eastern Oregon.
Key Information
- Area: 2.1 square miles
- Population: Approximately 180
- Zip Codes: 97910
- Latitude and Longitude: 42.9741° N, 117.0460° W
Adrian
Overview
Adrian, located near the confluence of the Snake and Owyhee Rivers, is a small agricultural town in Malheur County. Founded in the early 20th century, Adrian has a strong farming heritage, with crops such as onions, corn, and potatoes driving the local economy. Adrian High School serves the town, providing education and extracurricular activities that bring the community together. Landmarks include the nearby Owyhee Dam, a historic engineering feat that provides irrigation for the region, and Lizard Butte, a natural landmark offering scenic views of the surrounding landscape. Adrian’s rural charm and connection to the land make it a close-knit and welcoming community.
Key Information
- Area: 0.3 square miles
- Population: Approximately 175
- Zip Codes: 97901
- Latitude and Longitude: 43.7396° N, 117.0724° W
Malheur County’s cities and towns reflect its rich agricultural legacy, historical significance, and natural beauty, each contributing uniquely to the region’s identity and culture.
