Nellis AFB, NV has a population of 3,252 and is the 8,403rd largest city in the United States. The population density is 1,131 per sq mi which is 4435% higher than the Nevada average and 1149% higher than the national average. The median age in Nellis AFB is 21 which is approximately 43% lower than the Nevada average of 38. In Nellis AFB, 53% of the population over 15 years of age are married, 91% speak English and 4% speak Spanish. 14% of Nellis AFB residents were born in Nevada, 74% were born out of state, 8% were born outside of the United States and 4% were foreign born.