
Manson
- County:
- Calhoun County
- County Seat:
- No
- Area (mi²):
- 3.242
- State:
- Iowa
Manson is a city located in Calhoun County, Iowa. Manson has a 2025 population of 1,625. Manson is currently declining at a rate of -0.91% annually and its population has decreased by -4.52% since the most recent census, which recorded a population of 1,702 in 2020.
The average household income in Manson is $76,846 with a poverty rate of 6.87%. The median age in Manson is 40.6 years: 36.8 years for males, and 46.5 years for females.