Wauhillau, Oklahoma

Wauhillau is a census-designated place (CDP) in Adair County, Oklahoma, United States. The population was 345 at the 2010 census.

Geography
Wauhillau occupies a large rural area in western Adair County. Oklahoma State Highway 51 forms the northeastern edge of the CDP. It is 11 mi west of Stilwell, the county seat, and 16 mi southeast of Tahlequah in Cherokee County.

According to the United States Census Bureau, the CDP has a total area of 20.55 km2, of which 20.45 sqkm is land and 0.10 sqkm, or 0.48%, is water.