Derma
- County:
- Calhoun County
- County Seat:
- No
- Area (mi²):
- 1.771
- State:
- Mississippi
Derma is a town located in Calhoun County, Mississippi. Derma has a 2026 population of 921. Derma is currently declining at a rate of -0.22% annually and its population has decreased by -4.06% since the most recent census, which recorded a population of 960 in 2020.