Tonopah is an unincorporated town in and the county seat of Nye County, Nevada, United States. It is located at the junction of U.S. Routes 6 and 95, approximately midway between Las Vegas and Reno. In the 2010 census, the population was 2,478. The census-designated place (CDP) of Tonopah has a total area of 16.2 square miles (42 km), all land.
As of the census of 2000, there were 2,627 people, 1,109 households, and 672 families residing in the CDP. The population density was 162.1 people per square mile (62.6/km²). There were 1,561 housing units at an average density of 96.3 per square mile (37.2/km²). The racial makeup of the CDP was 91.24% White, 1.41% Native American, 0.76% African American, 0.42% Asian, 0.30% Pacific Islander, 2.82% from other races, and 3.05% from two or more races. Hispanic or Latino of any race were 6.17% of the population.
There were 1,109 households out of which 32.2% had children under the age of 18 living with them, 48.9% were married couples living together, 7.5% had a female householder with no husband present, and 39.4% were non-families. 34.2% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 3.03.
In the CDP, the population was spread out with 27.1% under the age of 18, 6.2% from 18 to 24, 29.3% from 25 to 44, 27.3% from 45 to 64, and 10.1% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 108.3 males. For every 100 women age 18 and over, there were 105.9 men.
The median income for a household in the CDP was $37,401, and the median income for a family was $47,917. Males had a median income of $40,018 versus $22,056 for females. The per capita income for the CDP was $18,256. About 5.7% of families and 11.2% of the population were below the poverty line, including 7.3% of those under age 18 and 19.1% of those age 65 or over.