California's 20th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Caroline Menjivar. District profile The district encompasses parts of the Inland Empire and Pomona Valley. The district connects the San Gabriel Valley to the desert communities in the east. Los Angeles County – 1.5% Pomona San Bernardino County – 38.6% Chino Colton Fontana Grand Terrace Montclair Ontario Rialto San Bernardino – 32.0% Election results from statewide races List of senators Due to redistricting, the 20th district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission. Election results 1994 - present 2018 2014 2010 2006 2002 1998 1994 See also California State Senate California State Senate districts Districts in California References External links District map from the California Citizens Redistricting Commission 20 Government of Los Angeles County, California Government of San Bernardino County, California Chino, California Colton, California Fontana, California Montclair, California Ontario, California Pomona, California Rialto, California San Bernardino, California Pomona Valley Inland Empire