California's 55th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Republican Phillip Chen of Yorba Linda. District profile The district straddles the intersection of three counties and several distinct regions. Centered on the Chino Hills, it includes the southeastern margins of the San Gabriel Valley as well as parts of the northern Santa Ana Valley. The district is relatively affluent and primarily suburban. Los Angeles County – 1.7% Diamond Bar Industry – 6.4% Ramona Rowland Heights Walnut West Covina – 28.7% Orange County – 7.3% Brea La Habra Placentia Yorba Linda San Bernardino County – 3.7% Chino Hills Election results from statewide races List of Assembly Members Due to redistricting, the 55th 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 1992 - present 2020 2018 2016 2014 2012 2010 2008 2006 2004 2002 2000 1998 1996 1994 1992 See also California State Assembly California State Assembly districts Districts in California References External links District map from the California Citizens Redistricting Commission 55 Government of Los Angeles County, California Government in Orange County, California Government of San Bernardino County, California Brea, California Chino Hills (California) Chino Hills, California Diamond Bar, California La Habra, California Placentia, California Walnut, California West Covina, California Yorba Linda, California