UCLA Library (2023): L2 Voter History and Demographic Dataset. Redivis. Dataset. https://doi.org/10.60603/D37P4R
| Identifier: | doi:10.60603/D37P4R |
|---|---|
| Creators: | UCLA Library [ROR=https://ror.org/046rm7j60] |
| Title: | L2 Voter History and Demographic Dataset |
| Publisher: | Redivis |
| Publication year: | 2023 |
| Resource type: | Dataset |
| Description [Abstract]: | The L2 Voter and Demographic data is current as of May 31 2022. The data includes demographic and voter history tables for all 50 states and the District of Columbia. The dataset is built from publicly available government records about voter registration and election participation. These records indicate whether a person voted in an election or not, but they do not record whom that person voted for. Voter registration and election participation data are augmented by demographic information from outside data sources. |
| Description [Methods]: | To create this file, L2 processes registered voter data on an ongoing basis for all 50 states and the District of Columbia, with refreshes of the underlying state voter data typically at least every six months and refreshes of telephone numbers and National Change of Address processing approximately every 30 to 60 days. These data are standardized and enhanced with propriety commercial data and modeling codes and consist of approximately 185,000,000 records nationwide. |
| Description [TechnicalInfo]: | For each state, there are two main tables: demographic and voter history. The demographic and voter tables can be joined on the 'LALVOTERID' variable. One can also use the 'LALVOTERID' variable to link the L2 Voter and Demographic data with the L2 Commercial data. The 'LALVOTERID' variable can also be used to validate the state. For example, let's look at the 'LALVOTERID' *LALCA123456789*. The characters in the fourth and fifth positions of this identifier are 'CA' (California). The second way to validate the state is by using the RESIDENCE\_ADDRESSES\_STATE, which should have a value of 'CA' (California). The date appended to each table name represents when the data was last updated. The demographic files use 691 consistent variables. For more information about these variables, see ***2021-11-03-L2-Voter-Demographic-File-Layout.xlsx***. The voter history files have different variables depending on the state. The ***2022-05-31-L2-Voter-Data-Dictionaries.tar.gz ***file expands into a folder with .csv data dictionaries for each state's demographic and voter files. While the demographic file data dictionaries should complement the 2021-11-03-L2-Voter-Demographic-File-Layout.xlsx file, the voter file data dictionaries will be unique to each state. **JOINED TABLES: ** Additionally, each state has a "COMPLETE-VM1" table which has demographics and vote history from multiple years stacked on top of each other. There is an additional column in these tables called "L2-filename" which has the L2 filename from which the data were drawn, and within this file name is the date of the voter file snapshot. |
| Contributors: | Jamison, Jina [ORCID=https://orcid.org/0000-0002-5116-5724] [ContactPerson] [University of California, Los Angeles]; STRAUS, GRAHAM [DataCurator] [University of California, Los Angeles]; Thompson, Daniel [Researcher] [University of California, Los Angeles]; Tim Dennis [ORCID=https://orcid.org/0000-0001-6632-3812] [Supervisor] [University of California, Los Angeles] |
| Dates: | 2023-02-17T22:00:58.483Z [Created]; 2025-02-20T23:01:09.328Z [Updated] |
| Alternate identifiers: | uclalibrary.l2_voter_history_and_demographic_dataset:401e:v1_0 [redivis_reference] |
| Related identifiers: | 10.60603/D30599 ; 10.60603/D33W2T |
| Sizes: | 11211948509784 bytes; 1586 tables; 17160 variables; 8485962538 records; 0 files |
| Formats: | text/csv; application/jsonl; application/x-avro; application/x-parquet; application/x-sas-data; application/x-stata-dta; application/x-spss-sav; application/vnd.apache.arrow.stream |
| Version: | 1.0 |
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