Adams County, Illinois, United States

Overview of Adams County

• Name:
  Adams County
• Place Type:
  County
• Located In:
  Illinois, United States
  
• Description (GNIS):
  871 square miles
• History (GNIS):
  Established 13 January 1825
• County Seat:
  Quincy (Quincy Township)
• Coordinates:
  Latitude:39.966713539° 58' 00.2"N

  Longitude:-91.183474791° 11' 00.5"W
• Population:
  66,090
• Elevation:
  226 m
• Surrounding Counties:
  • Hancock N
  • Schuyler NE
  • Brown E
  • Pike SE
  • Ralls (Missouri) SW
  • Marion (Missouri) SW
  • Lewis (Missouri) W
  • Clark (Missouri) NW
• Histopolis Place ID:
  539297978
• Updated May 6, 2020