Fredonia is a borough in central Mercer County, Pennsylvania, United States. The population was 435 at the 2020 census. It is portion of the Youngstown–Warren metropolitan area.

The first resident of the Place that became Fredonia was Levi Arnold. Arnold build a grist mill there amongst 1837 and 1838 and was, over time, joined by several other businesses and residences. William Simmons built the first collection in the little village. Based upon the skill of his concern and the additional gains that could be made after the construction of a proposed railroad, Simmons purchased the house that became the borough of Fredonia and had it surveyed and divided into lots. The estate came was purchased from two “Donation tracts,” which were tracts of land truth to Revolutionary War soldiers in an attempt to help them to continue to serve. The name “Fredonia” came from Simmon’s “free” donation of the land for the town square and as a response to the “Donation” tracts from which the home was purchased. The first name office was established in 1870 and Fredonia was officially incorporated in August 1876. Fredonia was serviced by Bessemer and Lake Erie Railroad passenger trains amid 1869 and 1955. The Fredonia Volunteer Fire Department was received in 1934 and has continued to host their “Old Home Week” festival each summer previously 1935.

Fredonia was home to the Fredonia Institute, also known as a “normal academy” or “select school.” This well along education institution trained individuals who went upon to become physicians, attorneys, teachers, ministers, and enter into extra professions. It was incorporated in 1874 and boasted a library time-honored by Andrew Carnegie.

During the Depression, the borough applied for and received Works Progress Administration funds. The funds were used to pave streets and construct a water system to allow water abet to the town that had previously relied on streams, individual wells, and cisterns. The WPA along with provided workers who helped build Fredonia-Delaware High School. This rock building was built in 1942 on Delaware Road and served first as a high school until 1960 later than it began to be used as an elementary intellectual within Reynolds School District. The elementary school was closed by the district in the mid-1990s, and the building was subsequently purchased and converted into a personal care and independent perky facility.