Oatman is a town in the Black Mountains of Mohave County, Arizona, United States. Located at an elevation of 2,710 feet, it began as a small mining camp soon after two prospectors struck a $10 million gold find in 1915, though the vicinity had already been settled for a number of years. Oatman's population grew to more than 3,500 in the course of a year.Oatman has the ZIP code 86433; the Tabulation Area had a population of 128 at the 2000 census.