Tonopah is located in southwest Arizona. Tonopah is part of Maricopa County. Tonopah has 1.37 square miles of land area and has no water area. As of 2010-2014, the total Tonopah population is 20. Tonopah median household income is $51,250 in 2006-2010. On average, the public school district that covers Tonopah is worse than the state average in quality. The Tonopah area code is 928.