From Ohio History Central
Upper Sandusky had a population of 6,533 in 2000. Unlike most other rural communities in Ohio, the city experienced a small population increase during the 1990s. Several industries operate out of Upper Sandusky. Some of the more important ones include A. O. Smith Electrical Products Company, Blackhawk Automotive Plastics, Dana Corporation/Continental Hose Company, Guardian Industries, Liqui-Box Corporation, National Lime and Stone Company, Midwest Ohio Tool Company, Mold Craft, and Schmidt Machine Company. The Wyandot County Fair, held annually in Upper Sandusky, marked its 152nd anniversary in 2003.