Written and Fact-checked by Whereig Editors | Last Updated On: June 10, 2026
Map of Union County - Union County is a county located in the U.S. state of Iowa. Union County Map showing cities, highways, important places and water bodies. Get Where is Union County located in the map, major cities in Union county, population, areas, and places of interest.
Union County Map, Iowa
About Union County Map, Iowa: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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Map of Union County, Iowa
Union County is a county located in the U.S. state of Iowa. It's county seat is Creston. As per 2020 census, the population of Union County is 12018 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 424 sq mi (1,098 km2). Union County was established on -17881.
Union County Facts
| Continent | North America |
| Country | United States |
| State | Iowa |
| County Seat | Creston |
| Largest City/Town | Creston |
| Established | January 15, 1851 |
| Total Area | 424 sq mi (1,098 sq km) |
| Land Area | 423 sq mi (1,096 sq km) |
| Water Area | 1 sq mi (2 sq km) |
| Population | 12,110 (Census 2020) |
| Population Density | 28.6 people per sq mi |
| Time Zone | Central Time Zone (CT) |
| Major Highways | U.S. Highway 34, U.S. Highway 25, Iowa Highway 148 |
| Major Rivers | East Nodaway River, Platte River, Grand River tributaries |
| Neighboring Counties | Adair County, Madison County, Clarke County, Ringgold County, Taylor County, Adams County |
| Famous For | Creston, railroad heritage, agriculture, restored depots, southwestern Iowa history |
| Top Attractions | Creston Depot, Green Valley State Park, McKinley Park, Union County Historical Village |
| Official Website | Official Website |
About Union County, Iowa
Union County is located in southwestern Iowa and was established in 1851. The county seat and largest city is Creston. The county developed as an important railroad center during the nineteenth century and continues to serve as a regional hub for commerce, healthcare, and education. Agriculture remains an important part of the local economy, while Creston's historic railroad heritage and recreational opportunities attract visitors throughout the year.
Cities and Towns in Union County, Iowa
| City/Town | Population (Census 2020) | Latitude & Longitude |
|---|---|---|
| Creston (county seat) | 7,536 | 41.0586°N, 94.3614°W |
| Afton | 845 | 41.0308°N, 94.1983°W |
| Arispe | 73 | 40.9367°N, 94.1864°W |
| Cromwell | 107 | 41.0389°N, 94.4742°W |
| Lorimor | 360 | 41.1292°N, 94.0697°W |
| Shannon City (partly) | 73 | 40.8972°N, 94.2478°W |
| Thayer | 59 | 41.0092°N, 94.6392°W |
Best Golf Courses in Union County, Iowa
| Golf Course | Location | Latitude & Longitude |
|---|---|---|
| Crestmoor Golf Club | Creston | 41.0669°N, 94.3794°W |
| Green Valley Golf Course | Green Valley Lake Area | 41.0953°N, 94.3728°W |
| Creston Municipal Golf Practice Area | Creston | 41.0547°N, 94.3503°W |
What are Major Roads and Highways in Union County
Major highways connect Union County with neighboring counties and regional cities throughout southwestern Iowa.
- U.S. Highway 34 - major east-west corridor crossing through Creston
- U.S. Highway 25 - important north-south route serving Creston and surrounding communities
- Iowa Highway 148 - regional highway connecting Union County with neighboring counties to the south and north
Neighboring Counties of Union County
- Adair County (north)
- Madison County (northeast)
- Clarke County (east)
- Ringgold County (south)
- Taylor County (southwest)
- Adams County (west)
What are Top Attractions in Union County, Iowa
The county offers a combination of railroad history, outdoor recreation, and local heritage attractions.
| Main Sight Name | City | Famous For |
|---|---|---|
| Creston Depot | Creston | Historic railroad station and architectural landmark |
| Green Valley State Park | Creston Area | Fishing, camping, boating, and hiking |
| McKinley Park | Creston | Outdoor recreation and community events |
| Union County Historical Village | Creston | Historic buildings and pioneer exhibits |
| Greater Regional Medical Center Trails | Creston | Walking paths and outdoor recreation |
| Creston Arts Depot | Creston | Local arts and cultural events |
| Afton City Park | Afton | Community recreation and local gatherings |
| Lorimor Historical Area | Lorimor | Small-town heritage and historic sites |
| Cromwell Community Center | Cromwell | Local events and community activities |
| East Nodaway River Corridor | Countywide | Wildlife viewing and scenic landscapes |
| Union County Fairgrounds | Creston | Agricultural fairs and annual celebrations |
| Southwestern Iowa Scenic Drives | Countywide | Rolling hills and countryside views |
Distance from Union County to Nearby Cities
The following distances are measured by road (driving) from Creston.
- Creston to Afton (Union County), Iowa - 8 mi (13 km)
- Creston to Lorimor (Union County), Iowa - 16 mi (26 km)
- Creston to Thayer (Union County), Iowa - 18 mi (29 km)
- Creston to Cromwell (Union County), Iowa - 7 mi (11 km)
- Creston to Greenfield (Adair County), Iowa - 29 mi (47 km)
- Creston to Winterset (Madison County), Iowa - 39 mi (63 km)
- Creston to Osceola (Clarke County), Iowa - 31 mi (50 km)
- Creston to Mount Ayr (Ringgold County), Iowa - 28 mi (45 km)
- Creston to Bedford (Taylor County), Iowa - 36 mi (58 km)
- Creston to Corning (Adams County), Iowa - 27 mi (43 km)
- Creston to Des Moines (Polk County), Iowa - 73 mi (117 km)
- Creston to Council Bluffs (Pottawattamie County), Iowa - 83 mi (134 km)
- Creston to Omaha, Nebraska - 95 mi (153 km)
- Creston to Kansas City, Missouri - 112 mi (180 km)
- Creston to Cedar Rapids (Linn County), Iowa - 165 mi (266 km)
Nearest Airports
Nearest airport of Union is Waterloo Regional Airport (ALO / KALO).
References
- U.S. Census Bureau - Union County QuickFacts
- Union County Official Website
- Iowa Data Center
- United States Geological Survey (USGS)
- National Geodetic Survey (NGS)
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