
Dennis
- County:
- Labette County
- County Seat:
- No
- Area (mi²):
- 1.507
- State:
- Kansas
Dennis is a CDP located in Labette County, Kansas. Dennis has a 2025 population of 210. Dennis is currently growing at a rate of 7.14% annually but its population has decreased by -5.41% since the most recent census, which recorded a population of 222 in 2020.
The average household income in Dennis is $70,387 with a poverty rate of 0%. The median age in Dennis is 41.5 years: 10.7 years for males, and 41.8 years for females.