Yorklyn is a census-designated place (CDP) in York County, Pennsylvania, United States. The population was 1,912 at the 2010 census. The area was delineated as the Springetts Manor-Yorklyn CDP for the 2000 census. Geography Yorklyn is located at (39.9930, -76.6428) in Springettsbury Township, east of York. According to the United States Census Bureau, the CDP has a total area of , all of it land. References Census-designated places in York County, Pennsylvania Springettsbury Township, York County, Pennsylvania