4 Ashburn, VA $69,014 $33.18 5 Boston, MA $68,847 $33.10 6 Richmond, CA $67,309 $32.36 7 Wilmington, DE $65,849 $31.66 8 New York, NY $65,594 $31.54 9 Hillsboro, OR $64,285 $30.91 10 Washington, DC $63,786 $30.67 11 Denver, CO $60,545 $29.11 12 Brooklyn Center, MN...