
Hiawatha
- County:
- Brown County
- County Seat:
- Yes
- Area (mi²):
- 2.591
- State:
- Kansas
Hiawatha is a city located in Brown County, Kansas. Hiawatha has a 2025 population of 3,141. It is also the county seat of .Hiawatha is currently declining at a rate of -0.76% annually and its population has decreased by -3.74% since the most recent census, which recorded a population of 3,263 in 2020.
The average household income in Hiawatha is $73,866 with a poverty rate of 11.32%. The median age in Hiawatha is 41.8 years: 41.4 years for males, and 43 years for females.