Mason County, Illinois, United States

Overview of Mason County

• Name:
  Mason County
• Place Type:
  County
• Located In:
  Illinois, United States
  
• History (GNIS):
  Established 20 January 1841
• County Seat:
  Havana (Havana Township)
• Coordinates:
  Latitude:40.250598640° 15' 02.2"N

  Longitude:-89.883446689° 53' 00.4"W
• Population:
  16,269
• Elevation:
  152 m
• Surrounding Counties:
  • Tazewell NE
  • Logan E
  • Menard S
  • Cass SW
  • Schuyler W
  • Fulton NW
• Histopolis Place ID:
  727737895
• Updated May 6, 2020