Redistricting for U.S. Representative, State Senate, State Assembly, and San Mateo County Board of Supervisors has been completed.  You will be voting for representatives using the new district boundaries during the June 7, 2022 Statewide Direct Primary Election and November 8, 2022 General Election; however, your current representatives remain in office until December 2022 or January 2023.

Find out your new districts using our District/Precinct Lookup here. Instructions on how to use the lookup are below.

State Maps - visit the 2020 California Citizens Redistricting Commission

Board of Supervisor Maps - visit the County of San Mateo District Lines Advisory Commission

Find out more about the redistricting process here.

Turn on / Turn off District Layer

In the right hand side of the browser, you can show or not show the different districts by checking or unchecking the box next to the district.

Find District

Click on the map to see the district an area is in. Click on the arrow in the popup to see the next district. If the layer is not turned on, the district will not show in the popup.



Search by Address

Enter an address in the upper left corner search box by either typing in the full address and clicking the magnifying glass or typing in a partial address and selecting from the popup. Once the address is located, click on the map to show each district in the popup.

Click the arrow to see the next district.



2022 Maps

2022 Assembly Districts Map
2022 Congressional Districts Map
2022 Senatorial Districts Map
2022 Supervisorial Districts Map 

2012 Maps

2012 Congressional Districts Map (in effect through January 2, 2023)
2012 State Senate Districts Map (in effect through December 4, 2022)
2012 State Assembly Districts Map (in effect through December 4, 2022)
2013 County Supervisorial Districts Map (in effect through January 1, 2023)