Union County | |
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![]() Union County Courthouse in Liberty | |
![]() Location within the U.S. state of Indiana | |
![]() Indiana's location within the U.S. | |
Coordinates: 39°37′N 84°55′W / 39.62°N 84.92°W | |
Country | ![]() |
State | ![]() |
Founded | January 5, 1821 (created) February 1, 1821 (organized) |
Seat | Liberty |
Largest town | Liberty |
Area | |
• Total | 165.18 sq mi (427.8 km2) |
• Land | 161.22 sq mi (417.6 km2) |
• Water | 3.95 sq mi (10.2 km2) 2.39% |
Population (2020) | |
• Total | 7,087 |
• Density | 43.6/sq mi (16.8/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 6th |
Website | www |
Indiana county number 81 |
Union County is a county in the U.S. state of Indiana. As of the 2020 United States census, the population was 7,087.[1] The county seat is Liberty.[2]
Since 2018, Union County has been included in the Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area. It is located on the Indiana-Ohio border.