All Federal and State Candidates - Contact Data, Biographies, Social Media URLs, Election Details

KnowWho is a trusted source for campaign professionals, consultants, agencies, and developers who need accurate and up-to-date information for federal and state candidates. Our skilled editors keep track of up to 22,000 candidates in an election cycle, including filing deadlines, gathering data, and getting that data to our customers quickly. Whether you sell products or services to candidates or are a web developer looking to build a sample ballot, our reliable and continuously updated data, in several formats, will keep you coming back time and again.

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Candidate Data Service

This data subscription service is perfect for campaign professionals who need updated data throughout the election cycle. Each weekly file includes two special tabs – the first details all changes made to the file since the previous week’s file delivery, and the second contains candidates added. Everything you need to keep up with candidates as they move through the election process.