Valley
- County:
- Hyde County
- County Seat:
- No
- Area (mi²):
- 36.041
- State:
- South Dakota
Valley is located in Hyde County, South Dakota. Valley has a 2025 population of 13 . Valley is currently growing at a rate of 8.33% annually and its population has increased by 8.33% since the most recent census, which recorded a population of 12 in 2020.
The median age in Valley is 54.8 years: 0 years for males, and 0 years for females. For every 100 females there are 333.3 males.