Idanha Map
Idanha is a city on the Marion County/Linn County line in Oregon, United States, on Oregon Route 22 and the Santiam River. The population was 232 at the 2000 census.
The Marion County portion of Idanha is part of the Salem Metropolitan Statistical Area, while the Linn County portion is part of the Albany–Lebanon Micropolitan Statistical Area.
According to the United States Census Bureau, the city has a total area of 1.1 square miles (2.8 km²), of which, 1.0 square miles (2.7 km²) of it is land and 0.04 square miles (0.1 km²) of it (1.87%) is water.
Nearby cities include Gates, Mill City, Detroit.