Sulphur Bluff, Texas

Sulphur Bluff is an unincorporated community in northeastern Hopkins County, Texas, United States.

Despite being unincorporated, Sulphur Bluff has its own post office, assigned the ZIP code of 75481.

Hopkins County used to be the dairy capital until recently. The Sulphur Bluff Independent School District serves area students.

Its population was approximately 280 in 1990.