Avenue B and C, AZ has a population of 3,623 and is the 7,883rd largest city in the United States. The population density is 4,930 per sq mi which is 8476% higher than the Arizona average and 5342% higher than the national average. The median age in Avenue B and C is 30 which is approximately 20% lower than the Arizona average of 37. In Avenue B and C, 51% of the population over 15 years of age are married, 29% speak English and 70% speak Spanish. 28% of Avenue B and C residents were born in Arizona, 28% were born out of state, 1% were born outside of the United States and 42% were foreign born.