Westfield Center is a village in Medina County, Ohio, United States. The population was 1,054 at the 2000 census. It was founded in 1826. When it was given a Post Office, the name "Le Roy" was assigned. The two names were used interchangeably until it was incorporated in 1914 as Le Roy, Ohio. In the early 1970's, the name was changed back to Westfield Center. Despite the community's small size, it is the home of Westfield Insurance, the largest employer in Medina County.