 grantley is a census-designated place (cdp) in york county, pennsylvania, united states. the population was 3,628 at the 2010 census. ==geography== grantley is located at  (39.942498, -76.730131) in spring garden township, adjacent to the city of york. according to the united states census bureau, the cdp has a total area of , of which 0.60% is water. ==demographics== as of the census of 2000, there were 3,580 people, 801 households, and 550 families residing in the cdp. the [[
Census-designated_places_in_Pennsylvania Census-designated_places_in_York_County,_Pennsylvania