Banner
- County:
- Smith County
- County Seat:
- No
- Area (mi²):
- 35.994
- State:
- Kansas
Banner is located in Smith County, Kansas. Banner has a 2025 population of 62 . 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 62 in 2020.
The median age in Banner is 32.8 years: 35.5 years for males, and 32.3 years for females. For every 100 females there are 89.5 males.