Cities and Towns in Franklin County, Missouri
Founded in 1818, Franklin County is one of 114 counties in the state of Missouri. Historically, Franklin County was formed from St. Louis County. The city of Union is the county seat. With FIPS code of 71, Franklin County has a population of 105,231 and area of 922 square miles (2,388 km²).
List of all cities in Franklin County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Beaufort, MO | 63013 | 573 |
| Berger, MO | 63014 | 573 |
| Campbellton, MO | 63068 | 573 |
| Campbellton, MO | 63090 | 636 |
| Catawissa, MO | 63015 | 636 |
| Clover Bottom, MO | 63090 | 636 |
| Detmold, MO | 63068 | 573 |
| Dissen, MO | 63068 | 573 |
| Etlah, MO | 63014 | 573 |
| Gerald, MO | 63037 | 573 |
| Gray Summit, MO | 63039 | 636 |
| Grubville, MO | 63041 | 636 |
| Japan, MO | 63080 | 573 |
| Labadie, MO | 63055 | 636 |
| Leslie, MO | 63056 | 573 |
| Lonedell, MO | 63060 | 636 |
| Luebbering, MO | 63061 | 636 |
| Lyon, MO | 63068 | 573 |
| Moselle, MO | 63084 | 636 |
| New Haven, MO | 63068 | 573 |
| Pacific, MO | 63055 | 636 |
| Pacific, MO | 63069 | 636 |
| Pea Ridge, MO | 63080 | 573 |
| Robertsville, MO | 63072 | 636 |
| Saint Albans, MO | 63073 | 636 |
| Saint Clair, MO | 63077 | 636 |
| Spring Bluff, MO | 63080 | 573 |
| Stanton, MO | 63079 | 573 |
| Stony Hill, MO | 63068 | 573 |
| Strain, MO | 63080 | 573 |
| Sullivan, MO | 63080 | 573 |
| Union, MO | 63084 | 636 |
| Villa Ridge, MO | 63089 | 636 |
| Washington, MO | 63090 | 636 |
| Wildwood, MO | 63069 | 636 |
Major Cities and Towns in Franklin County, Missouri
Washington
Area, Population, Zip Codes, Latitude, and Longitude
- Area: 9.93 square miles
- Population: Approximately 14,000
- Zip Code: 63090
- Latitude: 38.5586° N
- Longitude: 91.0129° W
Location and History
Washington, the largest city in Franklin County, is located on the southern bank of the Missouri River. Founded in 1839, Washington was named in honor of George Washington and became an important river port, facilitating trade and commerce in the region. Known as the “Corncob Pipe Capital of the World,” Washington’s economy historically thrived on industries such as the manufacturing of corncob pipes and agriculture. The Missouri River and the Katy Trail bring a natural beauty to the area, attracting visitors and residents who appreciate the scenic views and outdoor activities. Over the years, Washington has expanded with residential and commercial growth while preserving its historical roots, seen in the well-preserved downtown area filled with 19th-century architecture.
Major Schools and Landmarks
The School District of Washington serves local students, with Washington High School, South Point Elementary, and Marthasville Elementary among its primary institutions. Notable landmarks include the John B. Busch Brewery, a historic site showcasing the city’s brewing heritage, and the Washington Historical Society Museum, which preserves local history and artifacts. The downtown district, listed on the National Register of Historic Places, draws visitors with its historic buildings, shops, and restaurants. The Missouri Riverfront Park provides picturesque views and is a popular location for community events, making Washington a blend of heritage and modern amenities.
Union
Area, Population, Zip Codes, Latitude, and Longitude
- Area: 9.16 square miles
- Population: Approximately 12,000
- Zip Code: 63084
- Latitude: 38.4501° N
- Longitude: 91.0060° W
Location and History
Union, the county seat of Franklin County, was established in 1825 and has a rich history as a center for regional governance and commerce. Its name symbolizes the unity among early settlers, who chose this central location for the county seat. Union’s early economy was based on agriculture, and its strategic location contributed to its growth as a transportation and trading hub. Over the years, Union has developed a reputation for its strong community spirit and commitment to preserving its heritage, with a historic downtown that includes the Franklin County Courthouse, an iconic building completed in the early 1900s.
Major Schools and Landmarks
Union R-XI School District serves the community with schools like Union High School, Central Elementary, and Union Middle School. Major landmarks include the Franklin County Courthouse, a significant architectural landmark, and Veterans Memorial Park, which honors local veterans and offers recreational facilities. The Union City Lake is another popular spot, providing fishing and picnicking areas for families. The Union Historical Society Museum captures the town’s history, and events such as the annual Franklin County Fair celebrate local culture, making Union a dynamic mix of history, education, and community-focused amenities.
Pacific
Area, Population, Zip Codes, Latitude, and Longitude
- Area: 5.93 square miles
- Population: Approximately 7,000
- Zip Code: 63069
- Latitude: 38.4812° N
- Longitude: 90.7507° W
Location and History
Pacific, located in the northeastern part of Franklin County, was founded in 1852 and initially grew as a railroad town. The arrival of the Pacific Railroad, which ran from St. Louis, played a crucial role in the town’s growth, and the town was named after the railroad. During the Civil War, Pacific served as a strategic rail and supply center. Today, Pacific retains much of its historic character while offering easy access to nearby St. Louis, blending a small-town atmosphere with proximity to urban amenities. The Meramec River flows nearby, adding natural beauty and providing recreational opportunities for residents and visitors.
Major Schools and Landmarks
The Meramec Valley R-III School District serves Pacific, with schools such as Pacific High School, Truman Elementary, and Zitzman Elementary. Pacific’s landmarks include Red Cedar Inn, a historic restaurant that once served Route 66 travelers, and Shaw Nature Reserve, a vast natural area for hiking and wildlife observation managed by the Missouri Botanical Garden. The town’s downtown district features historic buildings, antique shops, and restaurants that reflect its heritage. Pacific’s location along Route 66 and near the Meramec River makes it a unique spot for both history buffs and outdoor enthusiasts.
Sullivan
Area, Population, Zip Codes, Latitude, and Longitude
- Area: 8.13 square miles
- Population: Approximately 7,100
- Zip Code: 63080
- Latitude: 38.2086° N
- Longitude: 91.1615° W
Location and History
Sullivan straddles the border of Franklin County and neighboring Crawford County and was founded in the 1850s as a railroad stop. Named after Stephen Sullivan, an early settler, the town grew with the development of the railroad and the rise of manufacturing and mining in the area. Sullivan has a blend of industrial and agricultural roots, with a local economy that has evolved to include manufacturing, retail, and tourism. Its location along Interstate 44 has also contributed to Sullivan’s growth, making it a convenient stop for travelers exploring the region’s Ozark hills and river valleys.
Major Schools and Landmarks
Sullivan is served by the Sullivan C-2 School District, including Sullivan High School, Middle School, and Elementary School. Important landmarks include the Meramec Caverns, located nearby and one of Missouri’s most famous natural attractions. The Sullivan Fairgrounds host numerous events, including the annual Sullivan Fair and Rodeo, which celebrates local heritage and draws crowds from surrounding areas. The Jesse James Wax Museum is another unique attraction that ties into local lore. Sullivan’s combination of history, recreational attractions, and community events make it a vibrant and engaging place to visit and live.
New Haven
Area, Population, Zip Codes, Latitude, and Longitude
- Area: 2.88 square miles
- Population: Approximately 2,100
- Zip Code: 63068
- Latitude: 38.6078° N
- Longitude: 91.2218° W
Location and History
New Haven, a charming riverside town in northern Franklin County, was established in 1836. It originally served as a river port for agricultural goods and was instrumental in regional trade along the Missouri River. The town developed a strong German heritage, with many settlers bringing traditions that have influenced local culture, cuisine, and architecture. New Haven’s scenic location along the river and its historic downtown with preserved buildings offer a picturesque view of small-town life in the Midwest. Today, New Haven retains a strong sense of community, with events and landmarks celebrating its unique heritage.
Major Schools and Landmarks
New Haven School District serves the community, with New Haven High School and New Haven Elementary providing education to local children. Significant landmarks include the historic John Colter Memorial, honoring the famous frontiersman who explored the region. The New Haven Train Depot and the Walt Theatre are key cultural attractions, while the town’s many wineries, such as Robller Vineyard, contribute to the area’s reputation for wine production. The annual New Haven Community Fair and various wine festivals are celebrated by locals and visitors alike, making New Haven a delightful blend of history, culture, and natural beauty.
St. Clair
Area, Population, Zip Codes, Latitude, and Longitude
- Area: 3.28 square miles
- Population: Approximately 4,700
- Zip Code: 63077
- Latitude: 38.3459° N
- Longitude: 90.9846° W
Location and History
St. Clair, located along Interstate 44, is a small city in eastern Franklin County with a history dating back to the 1850s. Originally named Travelers Repose, the town was later renamed after the nearby St. Clair Creek. St. Clair grew as a stop along the railroad and eventually developed a strong community centered on local industries, retail, and tourism. The town’s position on Route 66 has added a historical charm, drawing travelers and nostalgia seekers exploring the famous roadway. St. Clair maintains a small-town atmosphere with a commitment to preserving its unique Route 66 heritage.
Major Schools and Landmarks
The St. Clair R-XIII School District serves the town with facilities such as St. Clair High School, Middle School, and Elementary School. Notable landmarks include the St. Clair Historical Museum, which showcases the town’s past, and the International Route 66 Mother Road Festival, celebrating the town’s place on the historic highway. The Orchard Park and City Park offer recreational spaces for families, while Meramec State Park, located nearby, provides camping, hiking, and water activities. St. Clair’s community-oriented events and historical attractions make it an inviting place for residents and visitors along Route 66.
