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 3.0 SOFTWARE
See what we are bringing you in the new PDI 3.0 Launch!