Cities and Towns in Washington County, Illinois

Founded in 1818, Washington County is one of 102 counties in the state of Illinois. Historically, Washington County was formed from St. Clair County. The city of Nashville is the county seat. With FIPS code of 189, Washington County has a population of 13,655 and area of 562 square miles (1,456 km²).

List of all cities in Washington County, IL alphabetically

City/Town	Postal Code	Area Code
Addieville, IL	62214	618/730
Ashley, IL	62808	618/730
Beaucoup, IL	62263	618/730
Bolo, IL	62808	618/730
Covington, IL	62271	618/730
Du Bois, IL	62831	618/730
Dubois, IL	62831	618/730
Elkton, IL	62268	618/730
Hoyleton, IL	62803	618/730
Huegely, IL	62803	618/730
Irvington, IL	62848	618/730
Lively Grove, IL	62268	618/730
Nashville, IL	62263	618/730
New Minden, IL	62263	618/730
Oakdale, IL	62268	618/730
Okawville, IL	62271	618/730
Pilot Knob, IL	62263	618/730
Radom, IL	62876	618/730
Richview, IL	62877	618/730
Todds Mill, IL	62263	618/730
Venedy, IL	62214	618/730

Major Cities and Towns in Washington County, Illinois

1. Nashville

Area, Population, Zip Codes, Latitude and Longitude

• Area: 3.09 square miles
• Population: Approximately 3,100 (2020 Census)
• Zip Codes: 62263
• Latitude: 38.3497° N
• Longitude: 89.3804° W

Location and History

Nashville, the county seat of Washington County, is located in southern Illinois, approximately 50 miles east of St. Louis. The city was founded in 1830 and became a key agricultural hub in the region, benefiting from its location along key trade routes. Nashville’s early growth was driven by its fertile farmland and its central role in the transportation of goods, particularly grain and livestock, to nearby markets. Over the years, the city developed a thriving local economy that also included retail and small manufacturing. Its historical architecture and local businesses contribute to its small-town charm, making it an attractive place for both residents and visitors.

Major Schools and Landmarks

Nashville Community High School District 99 serves the educational needs of the city’s high school students, while Nashville Grade School serves younger students. One of the city’s major landmarks is the Washington County Courthouse, a historic structure that continues to serve as the center of government for the county. Memorial Park offers recreational activities with sports fields, picnic areas, and a walking path. Another important local attraction is the Nashville Public Library, which provides community programs and events. The annual Washington County Fair is a major event, showcasing local agriculture, crafts, and entertainment, drawing visitors from across the county.

2. Okawville

Area, Population, Zip Codes, Latitude and Longitude

• Area: 2.25 square miles
• Population: Approximately 1,350 (2020 Census)
• Zip Codes: 62271
• Latitude: 38.4356° N
• Longitude: 89.5492° W

Location and History

Okawville is located in the northern part of Washington County, along Interstate 64, about 40 miles east of St. Louis. The town was founded in the mid-19th century and became known for its health spas and mineral springs, which attracted visitors seeking therapeutic treatments. Okawville’s mineral springs were particularly popular in the late 1800s and early 1900s, making it a regional destination for those looking to enjoy the restorative benefits of the natural springs. While the spa industry has since faded, Okawville has retained its small-town character, with agriculture now serving as the primary economic driver for the area.

Major Schools and Landmarks

Okawville is part of the West Washington County Community Unit School District #10, with Okawville Junior/Senior High School providing secondary education. The Original Springs Hotel, which dates back to 1867, is a major historical landmark and one of the last remnants of Okawville’s spa era. The hotel is still operational and offers visitors a glimpse into the town’s past. The Heritage House Museum, located in the heart of the town, preserves the history of Okawville and Washington County. The annual Wheat Festival is a community highlight, celebrating the region’s agricultural heritage with parades, entertainment, and local crafts.

3. Addieville

Area, Population, Zip Codes, Latitude and Longitude

• Area: 0.26 square miles
• Population: Approximately 235 (2020 Census)
• Zip Codes: 62214
• Latitude: 38.4172° N
• Longitude: 89.4887° W

Location and History

Addieville is a small village in Washington County, located approximately 8 miles west of Nashville. Founded in the mid-19th century, Addieville was originally a farming community with German immigrants making up much of its early population. The village developed around agriculture, with local farms producing corn, wheat, and dairy products. Addieville has remained a small, close-knit community, maintaining its rural character and agricultural focus. Although its population has remained modest, the village holds onto its strong sense of community and local pride.

Major Schools and Landmarks

Addieville is part of the West Washington County Community Unit School District #10, and students typically attend schools in nearby Okawville or Nashville. The village features a few key landmarks, including the Zion United Church of Christ, which has been a central part of the community for over a century. The surrounding farmland provides scenic views of rural Illinois, and the village’s peaceful atmosphere makes it a quiet retreat from busier neighboring towns. Addieville Park is a small but popular gathering place for residents, hosting community events and outdoor activities, fostering a sense of camaraderie among locals.

4. Ashley

Area, Population, Zip Codes, Latitude and Longitude

• Area: 0.74 square miles
• Population: Approximately 500 (2020 Census)
• Zip Codes: 62808
• Latitude: 38.3284° N
• Longitude: 89.1882° W

Location and History

Ashley is located in southeastern Washington County, near the intersection of U.S. Route 51 and Illinois Route 15. The town was established in the mid-19th century and was historically an important railroad hub, benefiting from its strategic location along key rail lines. During its early years, Ashley served as a shipping point for local agricultural products, particularly grain and livestock, and the railroad brought economic growth to the area. Over time, however, as rail transportation declined, Ashley transitioned into a quieter, more residential community while still maintaining ties to its agricultural roots.

Major Schools and Landmarks

Ashley is served by the Ashley Community Consolidated School District #15, which provides elementary education for local children, with older students attending schools in nearby towns such as Nashville. Key landmarks in Ashley include the historic Ashley Methodist Church, which has served the community for over a century. The town also features several parks and outdoor spaces where residents gather for local events and recreational activities. The proximity to Rend Lake, located a short drive away, provides additional opportunities for fishing, boating, and camping, making Ashley an ideal spot for those who enjoy the outdoors.

5. Irvington

Area, Population, Zip Codes, Latitude and Longitude

• Area: 0.70 square miles
• Population: Approximately 620 (2020 Census)
• Zip Codes: 62848
• Latitude: 38.4370° N
• Longitude: 89.1531° W

Location and History

Irvington is located in the northeastern part of Washington County, just off U.S. Route 51. The village was established in the late 1800s and developed as a small agricultural town. Like many rural communities in southern Illinois, Irvington’s economy has historically been centered around farming, with local crops such as corn and soybeans playing a major role in the local economy. Over the years, the town has maintained its small-town charm and agricultural roots while also serving as a residential community for people working in nearby larger towns.

Major Schools and Landmarks

Irvington students attend schools in nearby communities, as the village is part of larger school districts such as Centralia High School for secondary education. Irvington’s main landmarks include the Irvington Presbyterian Church, which has been a fixture of the community for over a century. The village is also home to several parks, where residents enjoy outdoor activities and community gatherings. Irvington’s annual community events, such as the Irvington Homecoming, bring residents together to celebrate their local heritage. The village’s peaceful rural setting and proximity to larger towns make it a desirable place for those looking to enjoy quiet, small-town life.