White Oak is a census-designated place (CDP) in Hamilton County, Ohio, United States.

White Oak was originally known as Saint Jacobs in the 19th century.

[4] According to the United States Census Bureau, the CDP has a total area of 6.2 square miles (16.0 km2), all land.

31.3% of all households were made up of individuals, and 11.8% were someone living alone who was 65 years of age or older.

[7] As of the census[3] of 2000, there were 13,277 people, 5,263 households, and 3,647 families living in the CDP.

There were 5,464 housing units at an average density of 1,334.5 per square mile (515.3/km2).

26.4% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.