Union County, Iowa

Union County is located in southern Iowa, with a name that reflects the unity of the United States. Creston, the county seat, is known for its restored BN railroad depot, which now serves as a museum.

Green Valley State Park features a 390-acre lake that is popular for fishing and boating. With about 12,000 residents, Union County combines agriculture with light industry.

Creston’s uptown area includes several buildings listed on the National Register of Historic Places. Lake McKinley in Creston is also a favorite local spot for fishing, so bring your best luck.

CategoryDetails
County NameUnion County
County SeatCreston
EtymologyNamed for the Union of the states during the American Civil War
Cities, Towns, and CommunitiesCreston, Afton, Thayer, and several smaller communities
Interstates and HighwaysU.S. Highway 34, U.S. Highway 169, Iowa Highway 25
FIPS Code19-175
Total Area (Land and Water)728 square miles (land: 722 sq mi, water: 6 sq mi)
Adjacent Counties (and Direction)Adair County (Northwest), Madison County (Northeast), Clarke County (East), Ringgold County (South), Adams County (West)
Time ZoneCentral Time Zone (CST)
Population12,000
StateIowa
Coordinates41.02°N, 94.37°W
Major LandmarksUnion County Fairgrounds, Green Valley State Park, and the Creston Depot and Museum
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