Sellersville is a borough in Bucks County, Pennsylvania, United States. The population was 4,249 at the 2010 census. Sellersville is part of Pennridge School District. Sellersville is located at 40°21′31″N 75°18′36″W / 40.35861°N 75.31°W / 40.35861; -75.31 (40.358565, -75.310082).