Lincoln is a city in Logan County, Illinois, United States. It is the only town in the United States that was named for Abraham Lincoln before he became president; he practiced law there from 1847 to 1859. First settled in the 1830s, Lincoln is home to three colleges and two prisons. The three colleges are Lincoln College, Lincoln Christian University, and Heartland Community College. It is also the home of the world's largest covered wagon.
The population was 14,504 at the 2010 census. It is the county seat of Logan County.
Lincoln is located on I-55 (formerly U.S. Route 66), between Bloomington and Springfield. In addition Illinois Route 10 and Illinois Route 121 run into the city and Illinois Route 121 now ends in Lincoln; former Route 121 north of the city is now Interstate 155.