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Election Data






"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 the campaign finance data you're most interested in. You'll also find many search tools that will help you through the data sources. You can download many of these data sets to perform your own analyses."


New York Times Campaign Finance API  retrieves data from United States Federal Election Commission filings


OpenSecretsOpenSecrets API  data about members of Congress personal finance and campaign finance data sorted by industry and Congressional committee




Federal & State


Project Vote Smart Political Courage Test API  yields candidates most recently filled out Project Vote Smart Political Courage Test



Federal, State & Local


Moonshadow Mobile Census Population Data Service  returns census data geocoded for Google maps; including census data from 2000 and 2010, the adult population database, and registered voters database


Project Vote Smart CandidateBio API  provides all the various biographical data we collect on candidates and officials


Project Vote Smart Candidates API list of candidates according to office and state representation


Project Vote Smart  Project Vote Smart Election API   query yielding basic election information and the candidates for election


Project Vote Smart Rating API  information on special interest groups (SIGs) and their ratings of those candidates


e-thepeople API  The Voter Guide Toolkit web services API provides RESTful read-only access to the data in your voter guide.


Google Election Center API  Includes all early vote data, polling place data, ballot information, ID requirements, and Local Election Official Data for all 50 states.


NationBuilder Election Center API  This API offers access to NationBuilder's database of voter data, political and geographic region boundaries, and information about the campaigns using NationBuilder installs.




National, State, Local, Global    


Azavea - Cicero Elections API  election event dates, level of government, chamber, and description for about 7,000 events





Above list partially derived from Anthea Strong's excellent Excel spreadsheet: Anthea's Grand Master Spreadsheet of US and International Civic APIs provided via Twitter