Mercer County, NJ

McDade Administration Building
640 S Broad St P.O. Box 8068
Trenton, NJ 08650
Phone: (609)989-6584

NACo Member County

County Populations
  1980     1990     2000     2010  
 305,678  325,824  350,761  366,513

County Seat: Trenton
County Organized: 1838
Square Miles: 224.56
Size of Board: 7
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  • Places in Mercer County
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  • Elected County Officials
    Name Position
    Brian Hughes County Executive
    Ann Cannon Freeholder
    Anthony Carabelli Freeholder
    John Cimino Freeholder
    Pasquale Colavita Jr. Freeholder
    Samuel Frisby Freeholder
    Andrew Koontz Freeholder
    Lucylle Walter Freeholder
    John Kemler Sheriff
    Paula Solami-Covello County Clerk
    Jerlene Worthy Clerk to the Board
    Diane Gerofsky Surrogate