Dennison is located in Ohio. Dennison, Ohio has a population of 2,700. Dennison is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 26%.
The median household income in Dennison, Ohio is $46,230. The median household income for the surrounding county is $55,618 compared to the national median of $66,222. The median age of people living in Dennison is 38.3 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 15.3 degrees. The annual precipitation is 38.02.