
Massena
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 0.685
- State:
- Iowa
Massena is a city located in Cass County, Iowa. Massena has a 2025 population of 354. Massena is currently declining at a rate of 0% annually and its population has decreased by -0.56% since the most recent census, which recorded a population of 356 in 2020.
The average household income in Massena is $76,871 with a poverty rate of 9.02%. The median age in Massena is 32.6 years: 30.5 years for males, and 33.1 years for females.