Mercer County

  • County Seat:
    Aledo
  • Previous Seats:
    New Boston, 1835; Millersburg, 1836; Keithsburg, 1847; Aledo, 1857
  • Area:
    556 square miles
  • Population:
    26 (1830 census) - 16,434 (2010 census)
  • Named for:
    Hugh Mercer, Revolutionary War General
  • Created on:
    January 13, 1825

Images

  • mercer-county-postcard