Contact Us
Hours of Operation:
Monday – Thursday: 9:00 am – 8:00 pm
Friday – Saturday: 9:00 am – 5:00 pm
Sunday: 1:00 – 5:00 pm
APL Address and Phone Number:
115 W. Fifth Street
Mount Vernon, Indiana 47620
Phone 812 838-3286
Fax 812 838-9639
APL Email Address:
Genealogy/Local History Inquiries:
APL Wifi (free and open to all):
APL-Internet
Holiday Closings:
- New Years Day
- Martin Luther King Jr.’s Birthday
- President’s Day
- Good Friday
- Easter Saturday
- Easter Sunday
- Memorial Day
- Juneteenth
- Independence Day
- Labor Day
- Thanksgiving Day
- Day After Thanksgiving
- Christmas Eve
- Christmas Day
- New Year’s Eve
Statistics & Facts about Posey County:
- The population of Mount Vernon is approximately 6687 (2010 Census).
- The amount of land area in Mount Vernon is 2.86 sq. miles.
- The amount of surface water is 0.05 sq miles.
- Posey County was named in 1814 for Indiana Territorial Governor Thomas Posey.
- Alvin P. Hovey (1821–1891) Union general in the Civil War and Governor of Indiana 1889-1891 was from Mount Vernon.
- The highest point in Posey County is 581 feet above sea level, found in Eastern Posey County near the intersection of Diamond Island Road and Rexing Road.
- The lowest point in Posey County–also the lowest point in the state–is 338 feet above sea level, at the confluence of the Ohio and Wabash Rivers.