Clearfield is a borough in Clearfield County, Pennsylvania, United States. The population was 6,631 at the 2000 census. It is the county seat of Clearfield County.
Clearfield is located at 41°01′21″N 78°26′25″W / 41.022555°N 78.440233°W / 41.022555; -78.440233.
According to the United States Census Bureau, the borough has a total area of 1.9 square miles (4.9 km2), of which, 1.8 square miles (4.7 km2) of it is land and 0.1 square miles (0.2 km2) of it (3.70%) is water.