Banner
- County:
- Beadle County
- County Seat:
- No
- Area (mi²):
- 35.322
- State:
- South Dakota
Banner is located in Beadle County, South Dakota. Banner has a 2025 population of 48 . Banner is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 48 in 2020.
The median age in Banner is 59.1 years: 61.3 years for males, and 58.6 years for females. For every 100 females there are 152.4 males.