Westville is a town in New Durham Township, LaPorte County, Indiana, United States.

It is included in the Michigan City, Indiana-La Porte, Indiana Metropolitan Statistical Area.

John Milton Whitehead lived in Westville at the time of his enlistment as a chaplain in the 15th Indiana Infantry Regiment.

Whitehead received the Medal of Honor for his actions at the Battle of Stones River when he "went to the front during a desperate contest and unaided carried to the rear several wounded and helpless soldiers."

The Everel S. Smith House was listed in the National Register of Historic Places in 1990.

[6] According to the 2010 census, Westville has a total area of 3.09 square miles (8.00 km2), all land.

[7] Note that the census data for 2010 and later include the Westville Correctional Facility.

29.2% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older.