Litchfield is a city in Montgomery County, Illinois, United States. The population was 6,815 at the 2000 census, and 6,588 in 2009. It is located in south central Illinois, south of Springfield and on the northern edge of the Greater St. Louis Metro-East area.
The Ariston Cafe is one of the oldest restaurants along the historic U.S. Route 66, commonly known as Old Route 66, though the cafe itself claims it could possibly be the oldest . The Ariston Café was founded in 1924 in the town of Carlinville, Illinois, but was later moved to its present location. The cafe was inducted into the Route 66 Hall of Fame in 1992. Another landmark is Litchfield's Lake Lou Yaeger, located northeast of town.. The SkyView Theater is a member of the Route 66 Hall of Fame and has been in operation since 1951..
Litchfield is located at 39°10′36″N 89°39′13″W / 39.17667°N 89.65361°W / 39.17667; -89.65361 (39.176741, -89.653721).