Bylas, AZ has a population of 1,905 and is the 11,306th largest city in the United States. The population density is 435 per sq mi which is 656% higher than the Arizona average and 380% higher than the national average. The median age in Bylas is 24 which is approximately 34% lower than the Arizona average of 37. In Bylas, 39% of the population over 15 years of age are married, 66% speak English and 2% speak Spanish. 93% of Bylas residents were born in Arizona, 7% were born out of state, 0% were born outside of the United States and 0% were foreign born.