Rincon Valley, AZ has a population of 5,938 and is the 5,791st largest city in the United States. The population density is 233 per sq mi which is 305% higher than the Arizona average and 157% higher than the national average. The median age in Rincon Valley is 40 which is approximately 6% higher than the Arizona average of 37. In Rincon Valley, 71% of the population over 15 years of age are married, 86% speak English and 12% speak Spanish. 31% of Rincon Valley residents were born in Arizona, 59% were born out of state, 2% were born outside of the United States and 8% were foreign born.