Tonopah is an unincorporated community and census-designated place (CDP) in western Maricopa County, Arizona, United States, west of downtown Phoenix off Interstate 10. The community is near the Palo Verde Nuclear Generating Station, the largest power producer in the country, nuclear or otherwise. As of the 2020 census, the population of Tonopah was 23, down from 60 at the 2010 census. It is located on the Tonopah Desert. Many wells in Tonopah are warm, in the to range, and many are hot; to wells are common. Prior to being called Tonopah, the settlement was known as "Lone Peak". The area is also known to have been inhabited by groups of people for resource gathering area of the Hohokam, Patayan, and Yavapai cultures. Demographics As of the census of 2010, there were 60 people living in the CDP. The population density was 1.13 people per square mile. The racial makeup of the CDP was 87% White, 2% Native American, 3% Asian, and 8% from other races. Twenty-three percent of the population were Hispanic or Latino of any race. Schools Crossroads Academy Ruth Fisher Middle School Tonopah Valley High School Winters Well Elementary School Incorporation efforts In 2009, a political action committee named Tonopah United for Our Future (TUFF) filed paperwork with the county, proposing the incorporation of the area into a town. The proposal ran into difficulties when the neighboring town of Buckeye voted to publicly oppose the measure. State law forbids the incorporation of a new city or town within a specified distance of existing municipalities without their approval, and the proposed boundaries for Tonopah would abut the corporate boundaries of Buckeye, essentially giving Buckeye veto power over any incorporation efforts. In 2003, Buckeye had passed a measure approving of any future incorporation effort by Tonopah, but the current town council rescinded the measure, citing concerns that the proposal would extend the new town's boundaries east of the Hassayampa River and into area Buckeye intends to annex. Council members did indicate that they were open to future incorporation efforts using the river as a boundary. Residents also expressed concern that the proposal was too ambitious and that the new town would be incapable of managing the of land included in the proposal. Geographically it would be among the largest in the state, while estimates placed the population of the proposed town at approximately 6,000. Additionally, a number of residents opposed