Mankato
- County:
- Jewell County
- County Seat:
- Yes
- Area (mi²):
- 0.975
- State:
- Kansas
Mankato is a city located in Jewell County, Kansas. Mankato has a 2026 population of 826. It is also the county seat of Jewell County. Mankato is currently declining at a rate of -0.12% annually and its population has decreased by -1.08% since the most recent census, which recorded a population of 835 in 2020.