White City is a census-designated place (CDP) in St. Lucie County, Florida, United States.

It is part of the Port St. Lucie Metropolitan Statistical Area.

[4] According to the United States Census Bureau, the CDP has a total area of 7.1 square miles (18 km2), all land.

There were 1,662 housing units at an average density of 235.3 per square mile (90.8/km2).

20.5% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.