Dellroy is a village in western Carroll County, Ohio, United States.

There were 148 housing units at an average density of 822.2 per square mile (317.5/km2).

20.9% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older.

The racial makeup of the village was 99.32% White, 0.34% Native American and 0.34% Pacific Islander.

28.9% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.

About 8.8% of families and 9.1% of the population were below the poverty line, including 7.4% of those under the age of eighteen and 3.6% of those 65 or over.

Students[9] attend the Carrollton Exempted Village School District.