
Ossian
- County:
- Winneshiek County
- County Seat:
- No
- Area (mi²):
- 1.068
- State:
- Iowa
Ossian is a city located in Winneshiek County, Iowa. Ossian has a 2025 population of 769. Ossian is currently declining at a rate of -0.9% annually and its population has decreased by -4.23% since the most recent census, which recorded a population of 803 in 2020.
The average household income in Ossian is $76,204 with a poverty rate of 9.13%. The median age in Ossian is 39.8 years: 38 years for males, and 45.8 years for females.