On GoogleGoogle's database of political ads “that have appeared on Google and partner properties.” The searchable and downloadable dataset indicates the organization that paid for each advertisement, approximately how much they spent, how long the ad ran, what demographics were used for targeting, and roughly how many people it reached.
This searchable database features ads of political importance that have appeared on Google and partner properties. This database includes ads related to elections or issues that feature a federal candidate or officeholder. It is updated once a week. Find ads featuring federal candidates or current elected federal officeholders, and see who paid for them.