Dennison is a village located in Tuscarawas County, in the state of Ohio (OH), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 1.4 square miles (4.0 km²) and sits at an elevation of 862 ft. With a population of approximately 2,992 residents, Dennison offers a peaceful, rural atmosphere.
The town's population is composed of about 48.9% males and 51.1% females, and it has a population density of 168.12 people per square mile (837.11/km²). Dennison lies at a latitude of 40.39 and a longitude of -81.33, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (8.6%), followed by English (9%), German (22.7%), and Scotch-Irish (3.4%) heritage. The town is identified by the ZIP code 44621.