Whetstone, AZ has a population of 2,653 and is the 9,469th largest city in the United States. The population density is 223 per sq mi which is 288% higher than the Arizona average and 146% higher than the national average. The median age in Whetstone is 48 which is approximately 28% higher than the Arizona average of 37. In Whetstone, 61% of the population over 15 years of age are married, 90% speak English and 6% speak Spanish. 31% of Whetstone residents were born in Arizona, 62% were born out of state, 1% were born outside of the United States and 6% were foreign born.