
Collyer
- County:
- Trego County
- County Seat:
- No
- Area (mi²):
- 0.234
- State:
- Kansas
Collyer is a city located in Trego County, Kansas. Collyer has a 2025 population of 91. Collyer is currently declining at a rate of -1.09% annually and its population has decreased by -4.21% since the most recent census, which recorded a population of 95 in 2020.
The average household income in Collyer is $71,528 with a poverty rate of 17.24%. The median age in Collyer is 48.2 years: 43.5 years for males, and 56.5 years for females.