City in Illinois, United States
Effingham is a city in and the county seat of Effingham County, Illinois, United States. Effingham is in Southern Illinois. Its population was 12,604 at the 2015 census estimate. The city is part of the Effingham, IL Micropolitan Statistical Area. Effingham is home to a 198 foot tall cross, The Cross at the Crossroads. The cross is the tallest cross in the United States.