Westville is a town in New Durham Township, LaPorte County, Indiana, United States. The population was 5,853 at the 2010 census. It is included in the Michigan City, Indiana-La Porte, Indiana Metropolitan Statistical Area. Westville is located in a part of Indiana referred to by locals as The Region.
Westville is located at 41°32′45″N 86°54′15″W / 41.54583°N 86.90417°W / 41.54583; -86.90417 (41.545912, -86.904033).
According to the United States Census Bureau, the town has a total area of 3.1 square miles (8.1 km²), all of it land.