Willis
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 0.164
- State:
- Kansas
Willis is a city located in Brown County, Kansas. Willis has a 2026 population of 28. Willis is currently declining at a rate of 0% annually and its population has decreased by -3.45% since the most recent census, which recorded a population of 29 in 2020.
The median household income in Willis is $88,125 with a poverty rate of 6.06%. The median age in Willis is 58.8 years: 62.5 years for males, and 54.5 years for females. For every 100 females there are 169.2 males.