Lincoln is a city in and the county seat of Logan County, Illinois, United States. First settled in the 1830s, it is the only town in the U.S. that was named for Abraham Lincoln before he became president. As a lawyer, he pled cases in courtrooms there from 1847 to 1859. Lincoln is home to two prisons. It is the home of the world's largest covered wagon and numerous other historical sites along the Route 66 corridor. There is a National Weather Service Forecast Office in Lincoln.