20241210 14204700 1.0 TRUE Historic Council Districts (2018) As a function of election administration, the County of San Diego is subdivided into precinct tracts (home precincts), assigning voters to specific precincts based on their domicile. Voter home precincts take their shape from boundaries of all possible election districts and the maximum number of voters specified in the California Elections Code. County of San Diego, Registrar of Voters