Oatman is a census-designated place in the Black Mountains of Mohave County, Arizona, United States, at an elevation of 2,710 feet. In 1915, it began as a small mining camp when two prospectors struck US$10 million in gold, though the vicinity had already been settled for several years. Oatman's population grew to more than 3,500 in one year. As of the 2020 United States census, its population was 102.