Whose making the big bucks?

Whose making the big bucks? It would be great if by buying a home there meant you made the big bucks. But, in fact you probably have to earn this income in order to own a home there.

Greenwich, CT - $112,493
Cupertino, CA - $110,518
San Ramon, CA - $109,500
Bethesda, MD - $109,417
Lower Mound, TX - $104,921 Named by Money as one the best place to retire also.
Burke, VA - $104,770
West Bloomfield Township, MI - $102,619
Palo Alto, CA - $101,584-Right down the road from Cupertino
Pleasanton, CA - $101,443
Yorba Linda, CA - $100,465 Home to the Nixon Library

(Source U.S. Census data, Onboard projection/aggregation)