Churchtown is an unincorporated community and census-designated place (CDP) in Caernarvon Township, Lancaster County, Pennsylvania, United States, along Pennsylvania Route 23.

[5] The Bangor Episcopal Church, Caernarvon Presbyterian Church and Edward Davies House are listed on the National Register of Historic Places.

[6] Churchtown is in eastern Lancaster County, in the center of Caernarvon Township.

Pennsylvania Route 23 is the community's Main Street, leading east 4 miles (6 km) to Morgantown and west 20 miles (32 km) to Lancaster, the county seat.

According to the U.S. Census Bureau, the Churchtown CDP has a total area of 1.9 square miles (4.9 km2), of which 0.02 square miles (0.04 km2), or 0.71%, are water.