Gilchrist is an unincorporated community in Greene Township, Mercer County, Illinois, United States.

[4] Gilchrist was on the Chicago, Burlington and Quincy Railroad branch line (originally the American Central Railway) that ran from Galva, through Viola to New Boston.

Later, Gilchrist served as the junction of the Chicago, Burlington, and Quincy Railroad with the Northern Division of the Rock Island Southern Railway, arriving in Gilchrist in 1905.

[5] A branch of the Rock Island Southern was built from Gilchrist to Aledo in 1910.

[6] Service over the Chicago, Burlington, and Quincy to Gilchrist ended in 1986, and the rail was removed in 1988.