
Gridley
- County:
- Coffey County
- County Seat:
- No
- Area (mi²):
- 0.428
- State:
- Kansas
Gridley is a city located in Coffey County, Kansas. Gridley has a 2025 population of 309. Gridley is currently declining at a rate of -0.32% annually and its population has decreased by -1.28% since the most recent census, which recorded a population of 313 in 2020.
The average household income in Gridley is $64,903 with a poverty rate of 6.72%. The median age in Gridley is 38.3 years: 43.6 years for males, and 33.3 years for females.