
Wadena
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 0.752
- State:
- Iowa
Wadena is a city located in Fayette County, Iowa. Wadena has a 2025 population of 202. Wadena is currently declining at a rate of -0.49% annually and its population has decreased by -2.42% since the most recent census, which recorded a population of 207 in 2020.
The average household income in Wadena is $55,593 with a poverty rate of 13.66%. The median age in Wadena is 48.9 years: 52.1 years for males, and 47.3 years for females.