Williamsfield is a village in Knox County, Illinois, United States. The population was 575 at the 2020 census. It is part of the Galesburg Micropolitan Statistical Area.
History
E.B. Purcell laid out the village in 1888, and a post office was established. The village was reportedly named for a Santa Fe Railroad contractor named Williams.
Geography
Williamsfield is located in eastern Knox County east of Galesburg, the county seat. Illinois Route 180 runs through the east side of the village, leading north to Galva and south to U.S. Route 150.
According to the 2021 census gazetteer files, Williamsfield has a total area of , all land.
Demographics
As of the 2020 census