Fordham
- County:
- Clark County
- County Seat:
- No
- Area (mi²):
- 35.515
- State:
- South Dakota
Fordham is located in Clark County, South Dakota. Fordham has a 2025 population of 147. Fordham is currently declining at a rate of 0% annually and its population has increased by 0.68% since the most recent census, which recorded a population of 146 in 2020.
The median age in Fordham is 38.9 years: 42.8 years for males, and 38.1 years for females.