Decatur, Illinois

city in Macon County, Illinois, United States

Decatur is a city in the American state of Illinois. In the 2020 census, there were about 70,000 people living in it.[1] Many people drive in and out of Decatur on Interstate 72. There is a shopping mall in nearby Forsyth, a suburb of Decatur.

Decatur is the county seat of Macon County. Macon County was the home of the young Abraham Lincoln, later U.S. president, for a short time. The place where the Lincoln family built a log cabin and spent the winter of 1829-1830 is now a state park, the "Lincoln Trail Homestead State Park."


  1. "Decatur city, Illinois". United States Census Bureau. Retrieved September 20, 2023.