Denison
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 0.112
- State:
- Kansas
Denison is a city located in Jackson County, Kansas. Denison has a 2026 population of 147. Denison is currently growing at a rate of 1.38% annually and its population has increased by 1.38% since the most recent census, which recorded a population of 145 in 2020.
The median household income in Denison is $80,417 with a poverty rate of 4.31%. The median age in Denison is 33.5 years: 32.7 years for males, and 33.9 years for females. For every 100 females there are 93.3 males.