The southernmost is Rockport, located along the Ohio River about 40 miles (64 km) to the southeast.

It is located in Black Township and is part of the Evansville, Indiana, metropolitan area, which had a 2010 population of 358,676.

He grew up at a plantation adjacent to George Washington's Mount Vernon.

It was platted as Mount Vernon in 1816, but continued to be known as McFadden's Bluff for some time.

[9] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

Mount Vernon is the headquarters of a small oil refinery owned by the CountryMark agricultural cooperative.

Originally built in 1940, it processes more than 20,000 barrels of local crude oil per day.

A former GE Plastics Plant is located here, now owned by Saudi Arabia Basic Industries Corporation (SABIC).

Mount Vernon is home to two biofuels plants, Abengoa of Indiana and Aventine Renewable Energy.

These two facilities helped make Mount Vernon an important energy exporter.

This facility has the largest loading and unloading capacity (1000 tons) on an inland waterway within 500 miles (800 km).

The John T. Myers Locks and Dam, located 13 miles (21 km) SW of Mount Vernon, was constructed to improve navigation and flood control on the Ohio River.

It was established in 1867 and covered Mount Vernon and the surrounding communities of Posey County, Indiana.

of Mount Vernon which currently operates 5 schools: The Alexandrian Public Library serves the residents of Mount Vernon, Indiana, as well as Black, Lynn, Marrs, Point, and Robinson townships (approximately 21,000 residents).

Microfilmed newspapers, contributed family documents, resources from the Posey County Historical Society, and more are available for genealogists and researchers.

The Alexandrian Public Library is open 9am-8pm Monday through Thursday, 9am-5pm on Friday and Saturday, and 1pm-5pm on Sunday.