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Posey County is a county located in the southwestern corner of the state of Indiana. As of 2010, the
population was 25,910. Posey County was created
on November 1, 1814. The county seat is Mount Vernon.
The county is named for Thomas Posey, governor of
Posey County is part of the Evansville, IN-KY Metropolitan Statistical Area.
The county is named for Revolutionary War hero Thomas Posey who later became United States Senator from Louisiana and Indiana Territory Governor.
County QuickFacts: CensusBureau Quick Facts
Posey County was organized November 1, 1814.The county was named for Revolutionary War Gen. Thomas Posey, who was, at the time, Governor of the Indiana Territory
Posey County is divided into 10 Civil Townships as follows: Bethel, Black, Center, Harmony, Lynn, Marrs, Point, Robb, Robinson and Smith.
As reported by the Census Bureau, the county has a total area of 419 square miles (1,086 km2), of which 408 square miles (1,058 km2) is land and 11 square miles (28 km2) (2.61%) is water.
Posey county is located in southwest Indiana. The lowest point in the state of Indiana is located on the Ohio River in Posey County.
Bordering counties are as follows:
Mount Vernon High School - Mt. Vernon
North Posey High School - Poseyville