Most Affluent US Neighborhoods Map
According to the U.S. Census' American Community Survey, released on Dec 9th, the most affluent neighborhood in the United States is Southlake, Texas. The estimated median household income is $172,945. According to Forbes the neighborhood owes its wealth mostly to its real estate growth.
This Google Map mash-up shows the 20 most affluent neighborhoods in the US based on the census data. It was created using the Google Maps Spreadsheet Wizard and Pamela Fox's Geocoding with Google Spreadsheets Gadget.