Vernon, AZ has a population of 30 and is the 28,597th largest city in the United States. The population density is 53 per sq mi which is 8% lower than the Arizona average and 41% lower than the national average. The median age in Vernon is 32 which is approximately 14% lower than the Arizona average of 37. In Vernon, 20% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 73% of Vernon residents were born in Arizona, 27% were born out of state, 0% were born outside of the United States and 0% were foreign born.