Decatur County, Indiana

Dearborn County hugs the Ohio River in southeastern Indiana along the Ohio border. Its location provides easy access to Cincinnati for day trips while allowing the county to maintain its own small-town identity and character.

Lawrenceburg, the county seat, has a history connected to whiskey distilleries and is now known for its popular casino. Nearby Aurora is another historic river community, featuring impressive historic architecture and scenic views along the Ohio River.

The Ohio River Valley helps give Dearborn County milder winters compared with northern Indiana. During snowy months, Perfect North Slopes attracts visitors for skiing and other winter activities. The county’s location and history have created a distinctive blend of Midwestern and Appalachian culture.

CategoryDetails
County NameDecatur County
County SeatGreensburg
EtymologyNamed after Commodore Stephen Decatur, hero of the War of 1812
Cities, Towns, and CommunitiesGreensburg, Westport, St. Paul (partially), Millhousen, New Point
Interstates and HighwaysI-74, US-421, IN-3, IN-46, IN-229
FIPS Code18-031
Total Area (Land and Water)373 square miles (Land: 372 sq mi, Water: 1 sq mi)
Adjacent Counties (and Direction)Rush County (North), Franklin County (East), Ripley County (Southeast), Jennings County (South), Bartholomew County (West), Shelby County (Northwest)
Time ZoneEastern Time Zone (ET)
StateIndiana
Coordinates39.3175° N, 85.4948° W
Major LandmarksDecatur County Courthouse with its famous tree growing from the tower, Westport Covered Bridge, Greensburg City Park
Population26,500 (estimated)
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