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 2026 population of 3,412. Frontenac is currently growing at a rate of 0.5% annually and its population has increased by 0.86% since the most recent census, which recorded a population of 3,383 in 2020.
The median household income in Frontenac is $58,733 with a poverty rate of 8.68%. The median age in Frontenac is 39.4 years: 39.9 years for males, and 38.4 years for females. For every 100 females there are 105.6 males.