Voter files are publicly available government records of adults registered to vote in the United States who cast ballots in past elections. However, the term “voter file” typically describes any database of eligible voters used by a campaign or political organization. At a minimum, a voter file includes the voter's name, contact information, demographic information, and political affiliation.
L2 data collects publicly available voter files from each state and gathers them into a standardized format. They collect data from minor and major elections, parties, districts, credit bureaus, telecom companies, and government sources. Its voter files include nearly 95 million cell phones nationwide. Their visualization tools provide additional geographic, electoral, and demographic data.
No. Voter file data indicates who voted in a given election but not how they voted.
L2 Data provides hundreds of voter variables for study. To review all variables in the dataset, go to the L2 Voter Data Dictionary.
More detailed descriptions of L2 Voter Files dataset variables are provided on the L2 documentation page.
(FAQ adopted from Penn Libraries)