Mercer County, PA

100 N Diamond Street,   County Courthouse
Mercer, PA 16137

County Seat:     Mercer
Year Organized: 1800
Size of Board:    3
Square Miles:     672.58
2010 Population: 116,638
Persons/Square Mile: 173.42


Places in Mercer County

Census Bureau Quick Facts

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NACo Member County

County Populations
  2010    116,638
  2000    120,293
  1990    121,003
  1980    128,216

Elected Officials Position
Brian Beader Commissioner
John Lechner Commissioner, Chair
Matthew McConnell Commissioner
J. Bradley McGonigle III Coroner
Gary Hartman Sheriff
Virginia Richardson County Treasurer
Thomas Amundsen County Controller
Rhonda McClelland County Recorder
Dee Dee Zickar Recorder of Deeds
Elizabeth Fair Prothonotary
Kathleen Kloos Clerk Of Courts And Register Of Wills