About This Place
East Petersburg is a borough in Lancaster County, Pennsylvania, United States. The population was 4,450 at the 2000 census.
East Petersburg is located at 40°6′0″N 76°21′10″W / 40.1°N 76.35278°W / 40.1; -76.35278 (40.100079, -76.352649).
According to the United States Census Bureau, the borough has a total area of 1.2 square miles (3.1 km²), all of it land.