Zephyrhills South is a census-designated place (CDP) in Pasco County, Florida, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 1.9 square miles (5.0 km2), all land.

At the 2000 census,[2] there were 4,435 people, 2,199 households and 1,451 families residing in the CDP.

There were 3,651 housing units at an average density of 1,903.2 per square mile (734.8/km2).

28.4% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older.