Glenham
- County:
- Walworth County
- County Seat:
- No
- Area (mi²):
- 0.327
- State:
- South Dakota
Glenham is a town located in Walworth County, South Dakota. Glenham has a 2026 population of 107. Glenham is currently declining at a rate of 0% annually and its population has decreased by -0.93% since the most recent census, which recorded a population of 108 in 2020.
The median household income in Glenham is $50,625 with a poverty rate of 2.11%. The median age in Glenham is 64.2 years: 64.4 years for males, and 61 years for females. For every 100 females there are 131.7 males.