Scottsdale Real Estate 85257 Market Trends Scottsdale Real Estate 85257 Scottsdale real estate 85257 is a densely populated, urban zip code in Scottsdale, Arizona. The population is primarily white, and about evenly divided between singles and married couples. Housing prices here (average $124,500) are fairly typical for the Phoenix-Mesa-Scottsdale metro area. The median age here is 38.6. There [...]