
Hiawatha
- County:
- Linn County
- County Seat:
- No
- Area (mi²):
- 4.765
- State:
- Iowa
Hiawatha is a city located in Linn County, Iowa. Hiawatha has a 2025 population of 7,241. Hiawatha is currently growing at a rate of 0.15% annually and its population has increased by 0.77% since the most recent census, which recorded a population of 7,186 in 2020.
The average household income in Hiawatha is $106,271 with a poverty rate of 15.75%. The median age in Hiawatha is 33.4 years: 30.4 years for males, and 36.3 years for females.