- Profile
- Name: Named in 1814 for Indiana Territory Governor Thomas Posey
- County Seat: Mount Vernon
- Posey County Statistics
- Posey County Health Department
- Townships
- Bethel / Black / Center / Harmony / Lynn / Marrs / Point / Robb / Robinson / Smith
- Cities and Towns
- Cynthiana / Griffin / New Harmony / Mount Vernon / Poseyville
- Government and Community Sites
- Alexandrian Public Library
- School Corporations
- Metro School District of North Posey County
- MSD of Mt. Vernon