This north Phoenix ZIP code includes some of the most unwalkable neighborhoods in the Valley. It has a population of nearly 20,000 people and also is home to Pyramid Peak. Median income: $157,437 ...

85259 (north Scottsdale): $145,574. Bordering Fountain Hills, Ancala Country Club sits smack dab in the middle of this ZIP code. 85255 (north Scottsdale) : $143,567.