Posey County, Indiana

Posey County
Posey County Courthouse in Mount Vernon
Posey County Courthouse in Mount Vernon
Map of Indiana highlighting Posey County
Location within the U.S. state of Indiana
Map of the United States highlighting Indiana
Indiana's location within the U.S.
Coordinates: 38°01′N 87°52′W / 38.02°N 87.86°W / 38.02; -87.86
Country United States
State Indiana
Founded11 November 1814
Named forThomas Posey
SeatMount Vernon
Largest cityMount Vernon
Area
 • Total419.32 sq mi (1,086.0 km2)
 • Land409.57 sq mi (1,060.8 km2)
 • Water9.75 sq mi (25.3 km2)
Population
 • Total25,222
 • Density60/sq mi (23/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district8th
Websitewww.poseycountyin.gov
  • Indiana county number 65
  • Southernmost county in Indiana
  • Westernmost county in Indiana
  • Lowest point in Indiana located at county's southwestern tip

Posey County is a county in the U.S. state of Indiana. As of 2020, 25,222 people lived there.[1] The county seat is Mount Vernon.[2]

  1. 1.0 1.1 "QuickFacts: Posey County, Indiana". United States Census Bureau. Retrieved September 26, 2023.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.

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