Place Information
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Tiffin is a city in Seneca County, Ohio, United States. The population was 18,135 at the 2000 census. It is the county seat of Seneca County. It is the home of Heidelberg College and Tiffin University. At one time it was noted as a glass and porcelain manufacturing center. Research Tips--Msscarlet1957 12:31, 1 January 2008 (EST)
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