Banner Hill is a census-designated place (CDP) in Unicoi County, Tennessee, United States.

[6] It is part of the Johnson City Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area – commonly known as the "Tri-Cities" region.

[7] According to the United States Census Bureau, the CDP has a total area of 1.4 square miles (3.6 km2), all of it land.

There were 513 housing units at an average density of 190.8 per square mile (73.7/km2).

25.2% of all households were made up of individuals, and 14.3% had someone living alone who was 65 years of age or older.