Moapa is an unincorporated town and census-designated place (CDP) in Clark County, Nevada, United States. The population was 1,025 at the 2010 census. It is the largest town in Clark County by land area. Both the second and the third tallest structures in Nevada, the Moapa Entrevision Tower and the Moapa Kemp Tower respectively, are located in Moapa.
According to the United States Census Bureau, the CDP has a total area of 150.8 square miles (390.5 km²), all land.
As of the 2000 census, there were 928 people, 273 households, and 220 families residing in the CDP. The population density was 6.2 people per square mile (2.4/km²). There were 310 housing units at an average density of 2.1 per square mile (0.8/km²). The racial makeup of the CDP was 62.93% White, 0.22% African American, 1.40% Native American, 1.83% Asian, 0.65% Pacific Islander, 30.50% from other races, and 2.48% from two or more races. Hispanic or Latino of any race were 35.02% of the population.
There were 273 households out of which 51.3% had children under the age of 18 living with them, 65.9% were married couples living together, 9.9% had a female householder with no husband present, and 19.4% were non-families. Of all households 14.7% were made up of individuals and 4.4% had someone living alone who was 65 years of age or older. The average household size was 3.40 and the average family size was 3.81.
In the CDP, the population was spread out with 38.8% under the age of 18, 7.7% from 18 to 24, 26.8% from 25 to 44, 19.5% from 45 to 64, and 7.2% who were 65 years of age or older. The median age was 29 years. For every 100 females, there were 106.7 males. For every 100 females age 18 and over, there were 100.7 males.
The median income for a household in the CDP was $48,365, and the median income for a family was $49,327. Males had a median income of $38,929 versus $20,990 for females. The per capita income for the CDP was $17,587. About 1.7% of families and 3.1% of the population were below the poverty line, including 3.2% of those under age 18 and none of those age 65 or over.