The Net Worth of Our Leaders (Top 25 from House, Senate, Executive)

http://www.swivel.com/data_sets/spreadsheet/1004361

This is an interactive table.
Eg., if you click on a party (Democrat or Republican), it looks like you will get a list of all of the members of Congress and the Executive branch for that party, but not their net worth.
If you then click on "Columns", you will get financial statistics.