About This Place
West Sunbury is a borough in Butler County, Pennsylvania, United States. The population was 104 at the 2000 census.
West Sunbury is located at 41°0′22″N 79°53′46″W / 41.00611°N 79.89611°W / 41.00611; -79.89611 (41.006153, -79.896107).
According to the United States Census Bureau, the borough has a total area of 0.1 square miles (0.3 km²), all of it land.