Centre County is a county located in the U.S. state of Pennsylvania. It is part of the State College, Pennsylvania Metropolitan Statistical Area. As of 2012, the population was 155,171.
The lands of the future Centre County were first recorded by James Potter in 1764. Having reached the top of Nittany Mountain, and "....seeing the prairies and noble forest beneath him, cried out to his attendant, 'By heavens, Thompson, I have discovered an empire!'" Centre County was created on February 13, 1800, from parts of Huntingdon, Lycoming, Mifflin, and Northumberland counties and named for its central location in the state. Its county seat is Bellefonte.