It is located in Penns Valley and is part of the State College, Pennsylvania Metropolitan Statistical Area.

[1] Centre Hall was so named on account of its location near the geographical center of Penns Valley.

[5] According to the United States Census Bureau, the borough has a total area of 0.6 square miles (1.6 km2), all land.

The Fair attracts tens of thousands of people during its run, and takes place during the last full Thursday-to-Thursday week in August annually.

In 1874, Leonard Rhone, a local farmer and activist, urged that members of the local Granges that he had founded to invite their neighbors to a one-day Pic-Nic to introduce the Patrons of Husbandry organization for farm and rural families.