Benge is an unincorporated community in Adams County, Washington, United States. Because it is not tracked by the U.S. Census, a Census population estimate is not available. Benge is assigned the ZIP code 99105. The town is serviced by the Benge School District, and downtown Benge contains Benge Elementary School. As of the 2000 census, the Benge ZIP code (99105) had a population of 57 persons, with 33 housing units. The median household income was $37,500.