it's mentioned upper floor that the average(mean) tends to be misleading,
median is the better stat to look at.
Here is the link to the median household income / house value / demograhpics/
etc. etc. of almost all cities/towns of US as of year 2000.
Of course, you could dig these all out by researching the census 2000
official web site. http://www.city-data.com
Top 100 Cities with Highest Median Household Income (pop. 5000+) http://www.city-data.com/top2.html
Top 100 Cities with Highest Median H