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California Elections: Assembly District 55

Assembly District 55

All Districts > AD55: Diamond Bar-Yorba Linda
[incumbent: Phillip Chen (R-Yorba Linda) - term limit: 2028 - Directory Page]

Probable Candidates: 2020

District Projection: Toss-up
2019-12-11 1700: While filing has closed for all non-special elections, lists are still pending from several counties. This candidate list will continue to be updated for several days. The official list will be published by the Secretary of State on December 26.
  • Andrew Rodriguez (Democratic) - Mayor/County Commissioner   [$$$]
  • Michelle Hamilton (Democratic) - First Responder  
  • (i) Phillip Chen (Republican) - Assemblyman/Educator/Businessman   [$$$]
  • (i) = incumbent

    Until the filing period closes, candidates who have made gestures to a run are included. Some of these may not run, while others are likely to jump in.


    It is no secret that the Republican Party has struggled in many suburbs across the country. While some are quick to point to President Trump, it started before while also show signs of acceleration. This is not a California phenomenon, but rather one that we first saw in the state house elections in Virginia in 2017 that predicted the loss of top House GOP lieutenant Barbara Comstock and continued through off-year state elections in the South . . .

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    District Geography

    Counties: Los Angeles (34.2%), Orange (49.9%), San Bernardino (15.9%) of 247,494 registered voters.

    2016 Presidential Race

    • Hillary Clinton (D) 49.9%
    • Donald Trump (R) 44.6%

    2014 Gubernatorial Race

    • Edmund G. ("Jerry") Brown, Jr. (D) 42.8%
    • Neel Kashkari (R) 57.2%

    2012 Presidential Race

    • Barack Obama (D) 45.8%
    • Mitt Romney (R) 52.2%


    2010 Census Demographics for AD55
    Citizen Voting-Age Population 25.7% 3.4% 22.7%
    Total Population 31.1% 2.7% 30.0%

    The Bench (likely future candidates)