Rockham
- County:
- Faulk County
- County Seat:
- No
- Area (mi²):
- 0.498
- State:
- South Dakota
Rockham is a town located in Faulk County, South Dakota. Rockham has a 2026 population of 18. Rockham is currently declining at a rate of -5.26% annually and its population has decreased by 0% since the most recent census, which recorded a population of 18 in 2020.
The median household income in Rockham is $137,083 with a poverty rate of 0%. The median age in Rockham is 40.2 years: 40.7 years for males, and 37.5 years for females. For every 100 females there are 94.7 males.