Grampian is a borough in Clearfield County, Pennsylvania, United States. The population was 361 as of the 2020 census.

Clearfield County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 80,562. The county seat is Clearfield, and the largest city is DuBois. The county was created in 1804 and later organized in 1822.