Running Bird
- County:
- Mellette County
- County Seat:
- No
- Area (mi²):
- 35.909
- State:
- South Dakota
Running Bird is located in Mellette County, South Dakota. Running Bird has a 2025 population of 20 . Running Bird is currently declining at a rate of 0% annually and its population has decreased by -4.76% since the most recent census, which recorded a population of 21 in 2020.
The median age in Running Bird is 17.7 years: 0 years for males, and 34 years for females. For every 100 females there are 62.5 males.