
Frontenac
- County:
- Crawford County
- County Seat:
- No
- Area (mi²):
- 5.32
- State:
- Kansas
Frontenac is a city located in Crawford County, Kansas. Frontenac has a 2025 population of 3,364. Frontenac is currently declining at a rate of -0.12% annually and its population has decreased by -0.56% since the most recent census, which recorded a population of 3,383 in 2020.
The average household income in Frontenac is $75,037 with a poverty rate of 9.13%. The median age in Frontenac is 40 years: 41.4 years for males, and 35.2 years for females.