Scottsdale, AZ has a population of 234,495 and is the 91st largest city in the United States. The population density is 1,275 per sq mi which is 2117% higher than the Arizona average and 1307% higher than the national average. The median age in Scottsdale is 46 which is approximately 25% higher than the Arizona average of 37. In Scottsdale, 57% of the population over 15 years of age are married, 87% speak English and 6% speak Spanish. 25% of Scottsdale residents were born in Arizona, 63% were born out of state, 1% were born outside of the United States and 11% were foreign born.