Beaver Dam, AZ has a population of 1,329 and is the 13,423rd largest city in the United States. The population density is 158 per sq mi which is 175% higher than the Arizona average and 74% higher than the national average. The median age in Beaver Dam is 57 which is approximately 54% higher than the Arizona average of 37. In Beaver Dam, 67% of the population over 15 years of age are married, 92% speak English and 8% speak Spanish. 0% of Beaver Dam residents were born in Arizona, 92% were born out of state, 0% were born outside of the United States and 8% were foreign born.