Sheffield is a village in Bureau County, Illinois, United States.
Sheffield and Farnam constructed the Chicago and Rock Island Railroad, and the town site was intended as a coaling station for trains.
According to Farnam, he and Sheffield flipped a coin to see for whom the town would be named.
According to the 2021 census gazetteer files, Sheffield has a total area of 1.17 square miles (3.03 km2), all land.
27.37% of all households were made up of individuals, and 11.65% had someone living alone who was 65 years of age or older.