
Idanha
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 0.74
- State:
- Oregon
Idanha is a city located in Marion County, Oregon. Idanha has a 2025 population of 156. Idanha is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 156 in 2020.
The average household income in Idanha is $61,075 with a poverty rate of 21.81%. The median age in Idanha is 61.7 years: 65.9 years for males, and 59.5 years for females.