About This Place
South Lancaster is a census-designated place (CDP) in the town of Lancaster in Worcester County, Massachusetts, United States. The population was 1,894 at the 2010 census.
South Lancaster is located at 42°26′16″N 71°41′18″W / 42.43778°N 71.68833°W / 42.43778; -71.68833 (42.437841, -71.688444).
According to the United States Census Bureau, the CDP has a total area of 3.4 km² (1.3 mi²). 3.4 km² (1.3 mi²) of it is land and 0.76% is water.