The Federal Election Commission's Campaign Finance Disclosure Portal provides a single point of entry to campaign finance data. You'll find easy-to-navigate maps and charts that display graphic visualizations of campaign finance data. You'll also find many search tools that will help you through our data sources. You can download many of these data sets to perform your own analyses.
FTM tracks political donations in all 50 states by collecting campaign finance reports from state disclosure agencies and organizes them into 9 industry categories. Search by district, industry or donor.
The Legislative Committee Analysis Tool (L-CAT) portal is a mashup of state legislative committee rosters and campaign donor data.
Select "Politicians & Elections" to search donors, find fundraising by candidate, outside spending, and personal finances, 2004-present. Select "Influence & Lobbying" for contributions by PACs, 527 organizations, and lobbyists, 1998-present.
Public database linking money and politics data sources, including campaign contributions to politicians, how politicians vote on bills, and support and opposition to legislation. Includes: Contributions: Campaign contributions given to each member of Congress. (Source: Center for Responsive Politics) Votes: How each member of Congress voted on every bill. (Source: GovTrack.us) Support/opposition: Which interest groups and companies support and oppose key bills.