Lakeville is a town 11 miles (18 km) south of South Bend in Union Township, St. Joseph County, Indiana, United States. The population was 786 at the 2010 Census. It is part of the South Bend–Mishawaka, IN-MI, Metropolitan Statistical Area.
Lakeville is located at 41°31′26″N 86°16′22″W / 41.52389°N 86.27278°W / 41.52389; -86.27278 (41.523919, -86.272713).
According to the United States Census Bureau, the town has a total area of 0.5 square miles (1.3 km²), all of it land.