Elk Township is a township in Chester County, Pennsylvania, United States. The population was 1,681 at the 2010 census.

Pennsylvania Route 472 is a north–south state highway in Chester and Lancaster counties in Pennsylvania. Its southern terminus is at PA 841 in Lewisville 300 yards (270 m) north of the Maryland border. Its northern terminus is at PA 372 in Quarryville. PA 472 is a two-lane undivided road that passes through mostly rural areas along a northwest-southeast alignment. The route passes through the borough of Oxford, where it intersects the southern terminus of PA 10 and has an interchange with U.S. Route 1. PA 472 was originally designated in 1928 between US 1/PA 12/PA 42 in Oxford and PA 372 in Quarryville. The route was extended south to Hickory Hill by 1930, at which time the entire length of the route was paved. The southern terminus of PA 472 was extended to PA 841 in Lewisville in 1937.