Sheffield is a village in Lorain County, Ohio, United States, along the Black River. As of the census of 2010, there were 3,982 people, 1,581 households, and 1,160 families residing in the village. There were 1,581 households of which 26.9% had children under the age of 18 living with them, 63.3% were married couples living together, 6.9% had a female householder with no husband present, 3.2% had a male householder with no wife present, and 26.6% were non-families. 21.9% of all households were made up of individuals and 10.7% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.94. The median income for a household in the village was $59,816, and the median income for a family was $66,136. Males had a median income of $43,313 versus $35,174 for females. The per capita income for the village was $25,218.
Sheffield is served by the Sheffield-Sheffield Lake City Schools.