Sheffield is a village in Bureau County, Illinois, United States. The population was 926 at the 2010 census. It is part of the Ottawa–Streator Micropolitan Statistical Area. Sheffield was founded by Joseph E. Sheffield and Henry Farnam in 1852. 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. A monument to Joseph E. Sheffield, and the Rock Island Railroad stands today in Sheffield’s town square.
According to the 2010 census, Sheffield has a total area of 0.71 square miles (1.84 km), all land.
As of the census of 2000, there were 946 people, 385 households, and 269 families residing in the village. The population density was 1,263.5 people per square mile (487.0/km²). There were 418 housing units at an average density of 558.3 per square mile (215.2/km²). The racial makeup of the village was 98.31% White, 0.11% African American, 0.21% Asian, 0.21% Pacific Islander, 0.21% from other races, and 0.95% from two or more races. Hispanic or Latino of any race were 0.63% of the population.
There were 385 households out of which 29.9% had children under the age of 18 living with them, 57.7% were married couples living together, 8.1% had a female householder with no husband present, and 30.1% were non-families. 26.8% of all households were made up of individuals and 14.8% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.93.
In the village, the population was spread out with 24.5% under the age of 18, 6.4% from 18 to 24, 26.0% from 25 to 44, 20.9% from 45 to 64, and 22.1% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 90.7 males. For every 100 females age 18 and over, there were 93.5 males.
The median income for a household in the village was $36,528, and the median income for a family was $42,273. Males had a median income of $32,150 versus $22,308 for females. The per capita income for the village was $17,723. About 8.3% of families and 10.6% of the population were below the poverty line, including 12.1% of those under age 18 and 6.5% of those age 65 or over.