VoteSmart.org will get you started, by identifying your congressional and state representatives according to your ZIP code. Summaries of campaign finance and voting records are included.
OpenSecrets.org “analyzes where candidates get their campaign money and how they spend it.” This home site of the Center for Responsive Politics also provides data on lawmakers’ personal wealth.
Legistorm.com shows you who pays for lawmakers’ trips and which foreign countries are giving them gifts.
THOMAS.loc.gov is run by the Library of Congress and details the bills your lawmaker has sponsored, along with the status of each bill.
C-SPANarchives.org/congress “ranks lawmakers by the number of days they spoke on the floor and links to each appearance.”
Source: Shreveport, La., Times