Pima, AZ has a population of 2,471 and is the 9,928th largest city in the United States. The population density is 338 per sq mi which is 488% higher than the Arizona average and 273% higher than the national average. The median age in Pima is 31 which is approximately 17% lower than the Arizona average of 37. In Pima, 64% of the population over 15 years of age are married, 86% speak English and 14% speak Spanish. 71% of Pima residents were born in Arizona, 26% were born out of state, 1% were born outside of the United States and 3% were foreign born.