Millersport is a village in Fairfield County, Ohio, United States.

[citation needed] Millersport was laid out in 1825 by Mathias Miller, and named for him.

There were 497 housing units at an average density of 571.3 per square mile (220.6/km2).

28.4% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older.

There were 447 housing units at an average density of 449.1 per square mile (173.4/km2).

25.6% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older.