Dry Run is a census-designated place (CDP) in Anderson Township, Hamilton County, Ohio, United States.

According to the United States Census Bureau, the CDP has a total area of 4.8 square miles (12 km2), all land.

The racial makeup of the CDP was 90.4% White, 0.8% Black or African American, 0.1% Native American, 2.7% Asian, 0.0% Pacific Islander, 0.4% from some other race, and 5.5% from two or more races.

8.4% of all households were made up of individuals, and 2.5% were someone living alone who was 65 years of age or older.

[6] At the 2000 census there were 6,553 people, 2,063 households, and 1,852 families living in the CDP.

There were 2,118 housing units at an average density of 445.5 per square mile (172.0/km2).