Whiteriver, AZ has a population of 4,447 and is the 6,969th largest city in the United States. The population density is 284 per sq mi which is 394% higher than the Arizona average and 213% higher than the national average. The median age in Whiteriver is 26 which is approximately 31% lower than the Arizona average of 37. In Whiteriver, 36% of the population over 15 years of age are married, 53% speak English and 1% speak Spanish. 97% of Whiteriver residents were born in Arizona, 3% were born out of state, 0% were born outside of the United States and 0% were foreign born.