Melvin is a town in McCulloch County, Texas, United States.

According to the United States Census Bureau, the town has a total area of 0.5 square miles (1.3 km2), all land.

The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[4] As of the census[3] of 2000, 155 people, 68 households, and 39 families were residing in the town.

About 38.2% of all households were made up of individuals, and 23.5% had someone living alone who was 65 years of age or older.