Hartville is a village in northern Stark County, Ohio, United States.

Hartville lies halfway between Akron and Canton at the intersection of State Routes 43 and 619.

Its name is likely a portmanteau of the surnames of Morehart and fellow settler John Willis.

According to the United States Census Bureau, the village has a total area of 2.58 square miles (6.68 km2), all land.

There were 1,276 housing units at an average density of 494.6 per square mile (191.0/km2).

26.5% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older.

There were 902 housing units at an average density of 492.2 per square mile (190.0/km2).

28.0% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older.