Williamsfield is an unincorporated community in central Williamsfield Township, Ashtabula County, Ohio, United States. It has a post office with the ZIP code 44093.[1] It lies at the intersection of U.S. Route 322 with State Route 7. In 2014, it was named the most stressed community in the United States.[2]
The community was named for General Joseph Williams, an original owner of the town site.[3]