Union is a city in eastern Missouri and the county seat of Franklin County. Located about 50 miles southwest of St. Louis, the city sits along the Bourbeuse River. Union is known for its historic courthouse, local parks, nearby Shaw Nature Reserve, and its location within the rolling hills and forests of the Missouri Ozarks.
Location Map of Union, Franklin County, Missouri
About Map: The map shows the location of Union in Franklin County, in the U.S. state of Missouri.
Union Map, Missouri
About Union Map: The Google Map highlights the location of Union in Franklin County, Missouri. Use the zoom, satellite, and street-view options to explore the city's neighborhoods, roads, and nearby places.
Where is Union Located?
Union is a city located in Franklin County, Missouri, the United States. It lies in eastern Missouri along the Bourbeuse River, about 50 miles southwest of St. Louis and roughly 20 miles southeast of Washington. Pacific is approximately 30 miles northeast, while Sullivan is about 35 miles west of Union. The city is located at approximately 38.4500° North latitude and 91.0100° West longitude. The 2020 Census recorded 11,003 residents. Union covers about 9.34 square miles, or approximately 24.19 square kilometers. The surrounding landscape includes rolling hills, wooded areas, farmland, streams, and river valleys typical of eastern Missouri. Union serves as the county seat of Franklin County and is an important center for county government, education, health care, retail, and regional services. The city's location along the Bourbeuse River contributed to its early development and continues to shape the local landscape. Historic downtown buildings and the Franklin County Courthouse reflect Union's long civic history. Nearby Shaw Nature Reserve provides hiking trails, gardens, prairies, woodlands, and wetlands, while Meramec State Park offers camping, hiking, fishing, and access to the Meramec River. A unique feature of Union is its location at the edge of the St. Louis metropolitan influence while retaining the wooded, rural character of eastern Missouri.
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Union City Facts
| Fact | Details |
|---|---|
| City | Union |
| State | Missouri |
| County | Franklin County |
| Country | United States |
| Region | Eastern Missouri, St. Louis Region |
| Incorporated | 1839 |
| Founded | 1827 |
| Total Area | 9.34 sq mi (24.19 sq km) |
| Land Area | 9.26 sq mi (23.98 sq km) |
| Water Area | 0.08 sq mi (0.21 sq km) |
| Elevation | About 630 ft (192 m) |
| Population (2020 Census) | 11,003 |
| Population Density | About 1,188 people per sq mi |
| Time Zone | Central Time (CST/CDT) |
| ZIP Codes | 63084 |
| Area Code | 636 |
| Major Highways | U.S. Route 50, Missouri Route 47, Missouri Route 109 |
| Public Transit | Franklin County regional transportation services |
| Major Attractions | Franklin County Courthouse, Shaw Nature Reserve, Meramec State Park, Bourbeuse River, Union Historic District |
| Official Website | https://www.unionmissouri.org/ |
Distance from Union, MO to Nearby Cities
- Washington, MO – 20 miles (32 km)
- St. Clair, MO – 15 miles (24 km)
- Pacific, MO – 30 miles (48 km)
- New Haven, MO – 30 miles (48 km)
- Sullivan, MO – 35 miles (56 km)
- Hermann, MO – 40 miles (64 km)
- Rolla, MO – 65 miles (105 km)
- St. Louis, MO – 50 miles (80 km)
- Chesterfield, MO – 40 miles (64 km)
- Fenton, MO – 40 miles (64 km)
- Arnold, MO – 45 miles (72 km)
- Farmington, MO – 65 miles (105 km)
- Jefferson City, MO – 70 miles (113 km)
- Columbia, MO – 100 miles (161 km)
- Cape Girardeau, MO – 130 miles (209 km)
- Springfield, MO – 190 miles (306 km)
- Kansas City, MO – 220 miles (354 km)
- Quincy, IL – 150 miles (241 km)
Top Attractions in Union
- Franklin County Courthouse – A prominent historic civic landmark in downtown Union and the center of county government.
- Shaw Nature Reserve – A nearby nature reserve operated by the Missouri Botanical Garden featuring prairies, woodlands, wetlands, gardens, and miles of trails.
- Meramec State Park – A large state park near Sullivan with hiking trails, camping, fishing, boating, scenic forests, and access to the Meramec River.
- Bourbeuse River – The river passes through the Union area and provides scenic views, fishing opportunities, wildlife habitat, and outdoor recreation.
- Union Historic District – Historic homes, commercial buildings, churches, and civic structures reflect the city's development as the Franklin County seat.
- Robertsville State Park – A nearby park along the Meramec River offering camping, hiking, boating, fishing, and scenic river views.
- Onondaga Cave State Park – A nearby state park known for its extensive cave system, guided tours, hiking trails, camping, and natural scenery.
- Dr. Edmund A. Babler Memorial State Park – A large wooded park west of St. Louis offering hiking, camping, picnicking, and outdoor recreation.
- Purina Farms – A nearby attraction in Gray Summit featuring animal demonstrations, events, educational programs, and family activities.
Airports Near Union, Missouri
- Spirit of St. Louis Airport (SUS) – 35 miles
- St. Louis Lambert International Airport (STL) – 55 miles
- St. Louis Downtown Airport (CPS) – 60 miles
- Waynesville-St. Robert Regional Airport (TBN) – 90 miles
- Columbia Regional Airport (COU) – 105 miles
Sources:
Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the official Union city website and local government records.
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