California's 21st State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Diane Papan of San Mateo.
District profile
The district includes most of San Mateo County, California.
Most of San Mateo County – 64.50%
Atherton – 2.77%
Belmont
Brisbane
Burlingame
East Palo Alto
Foster City
Hillsborough
Menlo Park – 19.41%
Millbrae
Redwood City
San Bruno – 95.76%
San Carlos
San Mateo
South San Francisco – 50.20%
Unincorporated San Mateo County
Baywood Park
Emerald Lake Hills
Highlands
North Fair Oaks
Remainder of San Mateo County – 27.82%
Election results from statewide races
List of Assembly Members
Due to redistricting, the 21st district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission.