Best Voter Data

Most Advanced Software

Expertise and Innovation for Over 30 Years

Political Data Inc. (PDI) has been California’s largest provider of voter data and software tools for over thirty years. We have built our reputation on maintaining the most current, accurate, and comprehensive voter file in the state.


New to campaigning? Learn more about PDI and how to kick off your campaign.

PDI Campaign Center

Powerful campaign management software paired with the highest quality voter data


Learn about our fundraising, accounting and reporting software.


One small investment that impacts every other aspect of your campaign.

Thanks for visiting PDI!

We love having you visit, but would also like to know who you are.

Please complete the following.

You have Successfully Subscribed!