Cities and Towns in Grant County, Oregon

Founded in 1864, Grant County is one of 36 counties in the state of Oregon. Historically, Grant County was formed from parts of old Wasco and old Umatilla counties. The city of Canyon City is the county seat. With FIPS code of 23, Grant County has a population of 7,272 and area of 4,529 square miles (11,730 km²).

List of all cities in Grant County, OR alphabetically

City/Town	Postal Code	Area Code
Bates, OR	97817	541
Canyon City, OR	97820	541
Dayville, OR	97825	541
Fox, OR	97856	541
John Day, OR	97845	541
Kimberly, OR	97848	541
Long Creek, OR	97856	541
Monument, OR	97864	541
Mount Vernon, OR	97865	541
Prairie City, OR	97869	541
Ritter, OR	97856	541
Seneca, OR	97873	541

Major Cities and Towns in Grant County, Oregon

John Day

Overview

John Day, the largest city in Grant County, is situated along U.S. Route 26 in northeastern Oregon. Established in the mid-19th century, the city was named after the nearby John Day River, which in turn honors John Day, a member of the Astor Expedition. The city’s early economy was driven by gold mining during the 1860s, attracting settlers and prospectors to the region. Over time, John Day evolved into a central hub for agriculture, forestry, and trade within the county. Today, it serves as a gateway to the scenic landscapes of the Strawberry Mountain Wilderness and the John Day Fossil Beds National Monument.

• Area: Approximately 1.87 square miles
• Population: Around 2,300 residents
• ZIP Code: 97845
• Latitude: 44.4151° N
• Longitude: 118.9527° W

Education and Landmarks

John Day is served by the Grant School District, which includes Grant Union Junior/Senior High School, known for its comprehensive academic and extracurricular programs. Notable landmarks in the city include the Kam Wah Chung & Co. Museum, a preserved 19th-century Chinese apothecary and general store that offers insights into the lives of Chinese immigrants during the gold rush era. Additionally, the Grant County Fairgrounds host various events throughout the year, including the annual county fair, which celebrates the region’s agricultural heritage.

Canyon City

Overview

Canyon City, the county seat of Grant County, is located just south of John Day along U.S. Route 395. Founded in 1862 following the discovery of gold in Canyon Creek, the city quickly grew as prospectors flocked to the area. At its peak, Canyon City was one of the most populous towns in Oregon, serving as a bustling center for mining activities. Over time, as gold resources dwindled, the city transitioned to a quieter community, retaining much of its historic charm. Today, Canyon City is recognized for its well-preserved 19th-century architecture and its role in the county’s governance.

• Area: Approximately 1.34 square miles
• Population: Around 1,137 residents
• ZIP Code: 97820
• Latitude: 44.3904° N
• Longitude: 118.9505° W

Education and Landmarks

Canyon City is part of the Grant School District, with students attending schools in nearby John Day. A significant landmark in the city is the Grant County Courthouse, an architectural centerpiece constructed in 1902, which continues to serve as the center of county administration. The city also features several historic buildings, including the old jailhouse and various preserved homes, offering a glimpse into its rich past.

Prairie City

Overview

Prairie City is located approximately 13 miles east of John Day along U.S. Route 26. Established in the 1860s during the gold rush, the city was initially a supply center for nearby mining operations. The arrival of the Sumpter Valley Railway in the early 20th century further boosted its development, facilitating the transport of timber and agricultural products. Today, Prairie City is known for its picturesque setting at the base of the Strawberry Mountains and its vibrant community spirit.

• Area: Approximately 0.99 square miles
• Population: Around 900 residents
• ZIP Code: 97869
• Latitude: 44.4621° N
• Longitude: 118.7113° W

Education and Landmarks

Prairie City is served by the Prairie City School District, which includes Prairie City School, offering education from kindergarten through 12th grade. Notable landmarks include the DeWitt Museum, housed in the historic railway depot, showcasing artifacts from the city’s mining and railroad history. The nearby Strawberry Mountain Wilderness provides opportunities for hiking, camping, and wildlife observation, attracting outdoor enthusiasts to the area.

Mount Vernon

Overview

Mount Vernon is situated along U.S. Route 26, approximately 8 miles west of John Day. The city was named after Mount Vernon, Virginia, reflecting the admiration of early settlers for George Washington’s estate. Established in the late 19th century, Mount Vernon developed as an agricultural community, benefiting from the fertile lands along the John Day River. Over the years, it has maintained its rural character, with ranching and farming remaining central to its economy.

• Area: Approximately 1.03 square miles
• Population: Around 1,133 residents
• ZIP Code: 97865
• Latitude: 44.4171° N
• Longitude: 119.1134° W

Education and Landmarks

Mount Vernon is part of the Grant School District, with students attending schools in nearby John Day. A notable landmark in the city is the Mount Vernon Grange Hall, which serves as a community center for events and gatherings. The surrounding area offers scenic views of the Blue Mountains and access to outdoor recreational activities such as fishing and hiking.

Dayville

Overview

Dayville is located along U.S. Route 26, approximately 30 miles west of John Day. Founded in the 1870s, the city was named for its proximity to the John Day River. Initially a stopover for travelers and a service center for local ranchers, Dayville has retained its small-town charm over the years. Its location near the John Day Fossil Beds National Monument makes it a popular destination for visitors interested in paleontology and natural history.

• Area: Approximately 0.43 square miles
• Population: Around 407 residents
• ZIP Code: 97825