Cottonwood CDP, AZ has a population of 186 and is the 24,781st largest city in the United States. The population density is 1,299 per sq mi which is 2160% higher than the Arizona average and 1334% higher than the national average. The median age in Cottonwood CDP is 29 which is approximately 21% lower than the Arizona average of 37. In Cottonwood CDP, 43% of the population over 15 years of age are married, 38% speak English and 0% speak Spanish. 98% of Cottonwood CDP residents were born in Arizona, 2% were born out of state, 0% were born outside of the United States and 0% were foreign born.