 A 1960 flood led to the establishment of the Bad River Housing Authority, which relocated thousands of Odanah residents to higher ground a few miles down the road, away from the flood plain.Odanah is located at (46.602594, -90.682582), along the Bad River.According to the United States Census Bureau, the CDP has a total area of .52 square miles (1.3 km²), of which, .5 square miles (1.3 km²) of it is land and 0.02 square miles (0.1 km²) of it (3.85%) is water.