Castalia is a village in Erie County, Ohio, United States.

Due to growing disputes with the French and closer trade relations with Pennsylvania-based merchants, the Wyandot burned their village and relocated to the mouth of the Cuyahoga River in what is today Cleveland in 1748.

[6] The village was named after Castalia, a figure in Greek mythology.

There were 378 housing units at an average density of 363.5 per square mile (140.3/km2).

27.8% 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 380 housing units at an average density of 364.0 per square mile (140.5/km2).

24.0% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older.