Feather Sound is a census-designated place (CDP) in Pinellas County, Florida, United States.

[6] As of the census[2] of 2000, there were 3,597 people, 1,909 households, and 943 families residing in the CDP.

The racial makeup of the CDP was 93.86% White, 2.09% African American, 0.11% Native American, 2.53% Asian, 0.03% Pacific Islander, 0.67% from other races, and 0.72% from two or more races.

There were 1,909 households, out of which 15.6% had children under the age of 18 living with them, 42.9% were married couples living together, 4.5% had a female householder with no husband present, and 50.6% were non-families.

40.1% of all households were made up of individuals, and 4.1% had someone living alone who was 65 years of age or older.