Effingham County, Illinois

Effingham County
Effingham County Government Center and Jail in Effingham
Official seal of Effingham County
Map of Illinois highlighting Effingham County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 39°04′N 88°35′W / 39.06°N 88.59°W / 39.06; -88.59
Country United States
State Illinois
Founded1831
Named forThomas Howard, 3rd Earl of Effingham
SeatEffingham
Largest cityEffingham
Area
 • Total480 sq mi (1,200 km2)
 • Land479 sq mi (1,240 km2)
 • Water1.2 sq mi (3 km2)  0.3%
Population
 (2020)
 • Total34,668
 • Density72/sq mi (28/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district12th
Websitewww.effinghamcountyil.gov

Effingham County is a county located in the south central part of the U.S. state Illinois. As of the 2020 census, the population was 34,668.[1] Its county seat and largest city is Effingham. Some other cities in Effingham County, Illinois include Altamont, Teutopolis, Beecher City, Montrose, Dieterich, Shumway, Watson, Mason, and Edgewood. Effingham County comprises the Effingham, IL Micropolitan Statistical Area.[2]

  1. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved July 4, 2014.
  2. ^ "Find a County". National Association of Counties. Archived from the original on July 12, 2012. Retrieved June 7, 2011.