
Grantley
- County:
- York County
- County Seat:
- No
- Area (mi²):
- 2.085
- State:
- Pennsylvania
Grantley is a CDP located in York County, Pennsylvania. Grantley has a 2025 population of 4,924. Grantley is currently growing at a rate of 1.78% annually and its population has increased by 13.98% since the most recent census, which recorded a population of 4,320 in 2020.
The average household income in Grantley is $242,454 with a poverty rate of 5.98%. The median age in Grantley is 21.3 years: 21.6 years for males, and 21 years for females.