Each redistricting dataset merges the electoral data the SWDB collected and processed over the preceding decade with the most current census data (PL94-171). The result is a census block level dataset that allows for longitudinal analysis of electoral data over time on the same unit of analysis. Electoral data consist of the Statements of Vote (SOV) and Statements of Registration (SOR) for each statewide election. These data are collected from the Registrars of Voters for each of the 58 California counties with each election.
The SWDB collects the Statement of Vote and the Statement of Registration along with various geography files from each of the 58 counties for every statewide election. The Statement of Vote is a precinct level dataset and precincts in California change frequently between elections. The goal of the SWDB is to make election data available that can be compared over time, on the same unit of analysis – a precinct, a census block or a census tract.
From this page you can download Statement of Vote and Statement of Registration data by precinct.
The processing of primary elections began in the 1998 election cycle because the Statewide Database was not required by the legislature to process previous primary elections. Also, only the race results of interest to the legislature were included in these files.
On G98 absentee, this dataset allocates absentee voters to census blocks. In the ordinary G98 dataset, for many counties, absentee voters are not assigned to any particular census block. This series provides the appropriate location for voters who registered as absentee.
The 1998 primary election errata
The 1998 general election errata
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