Winslow, AZ has a population of 9,539 and is the 4,080th largest city in the United States. The population density is 777 per sq mi which is 1252% higher than the Arizona average and 758% higher than the national average. The median age in Winslow is 33 which is approximately 12% lower than the Arizona average of 37. In Winslow, 40% of the population over 15 years of age are married, 63% speak English and 19% speak Spanish. 66% of Winslow residents were born in Arizona, 26% were born out of state, 1% were born outside of the United States and 7% were foreign born.