About This Place
Mount Vernon is a city in southern Indiana along the Ohio River and the county seat of Posey County. It is located in Black Township. As of the 2010 census, the city's population was 6,687. It is part of the Evansville, Indiana metropolitan area, which had a 2000 population of 342,815.
Mount Vernon is located at 37°56′12″N 87°53′56″W / 37.93667°N 87.89889°W / 37.93667; -87.89889 (37.936766, -87.898780).
According to the United States Census Bureau, the city has a total area of 2.5 square miles (6.6 km²), of which, 2.5 square miles (6.4 km²) of it is land and 0.1 square miles (0.2 km²) of it (2.77%) is water.