Uhrichsville is a city in Tuscarawas County, Ohio, United States. The population was 5,413 at the 2010 census. Claymont City School District is the major education provider for the city of Uhrichsville and for the village of Dennison, Ohio. The Twin cities is a nickname used to describe Uhrichsville and Dennison because they are adjacent and similar.Uhrichsville was originally named Waterford but called "Uhrich's Mill" after a mill owned by founder Michael Uhrich. The previous statement is on a sign entering Uhrichsville.Uhrichsville Water Park opened in June 2008. It is heated and features slides, waterfalls, buckets, and a water jungle-gym.