Mercer County, Pennsylvania
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Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of th
Mercer County Courthouse (1909)
Lawrence County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 86,070. The county seat and largest city is New Castle.
Mercer County, Pennsylvania
…Butler County (southeast) Lawrence County (south) Mahoning County, Ohio (southwest…
Lawrence County Courthouse