Precinct Information


Political Districts

Political maps within San Mateo County:

Congressional Map
Senate Map
Assembly Map
Supervisorial District Boundaries Map

Redistricting in California

California Citizens Redistricting Commission

The California Constitution (Article 21, Section 1) requires an adjustment (“reapportionment”) of election districts every ten years, in the year following the federal census. The intent of this requirement is to “reapportion” the number of people within political districts of the state to reflect changes in population.