Sells, AZ has a population of 2,688 and is the 9,388th largest city in the United States. The population density is 283 per sq mi which is 393% higher than the Arizona average and 213% higher than the national average. The median age in Sells is 26 which is approximately 29% lower than the Arizona average of 37. In Sells, 37% of the population over 15 years of age are married, 67% speak English and 1% speak Spanish. 90% of Sells residents were born in Arizona, 8% were born out of state, 0% were born outside of the United States and 2% were foreign born.