Marana, AZ has a population of 40,221 and is the 1,030th largest city in the United States. The population density is 332 per sq mi which is 478% higher than the Arizona average and 267% higher than the national average. The median age in Marana is 38 which is approximately 2% higher than the Arizona average of 37. In Marana, 69% of the population over 15 years of age are married, 82% speak English and 13% speak Spanish. 35% of Marana residents were born in Arizona, 54% were born out of state, 2% were born outside of the United States and 9% were foreign born.