Bristol
- County:
- Day County
- County Seat:
- No
- Area (mi²):
- 34.411
- State:
- South Dakota
Bristol is located in Day County, South Dakota. Bristol has a 2025 population of 57 . Bristol is currently declining at a rate of -1.72% annually and its population has decreased by 0% since the most recent census, which recorded a population of 57 in 2020.
The median age in Bristol is 18.4 years: 17.4 years for males, and 18.9 years for females. For every 100 females there are 87.1 males.