California's 18th State Senate district
California's 18th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Robert Hertzberg of Van Nuys. District profile. The district consists of the eastern San Fernando Valley. The district is heavily Hispanic and forms a gateway between Los Angeles and the Santa Clarita and Antelope valleys to the north. Los Angeles County – "9.5%" List of Senators. Due to redistricting, the 18th district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission