Wahneta is a census-designated place (CDP) in central Polk County, Florida, United States.

According to the United States Census Bureau, the CDP has a total area of 2.4 square miles (6.2 km2), all land.

There were 1,464 housing units at an average density of 604.7 per square mile (233.5/km2).

14.1% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older.

The ethnic and racial composition of the population was 58.5% Mexican, 6.2% other Hispanic, 34.1% non-Hispanic white, 1.1% black or African American, 0.9% Native American, 0.2% Asian, 0.1% Pacific Islander, and 2.4% reporting two or more races.