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Posted on: November 13, 2020

November 3 Election Results

The City of Diamond Bar held a General Municipal Election on Tuesday, November 3, 2020 to fill two (2) City Council seats for four-year terms and to vote on a ballot measure - Measure DB-local sales tax.

The unofficial results listed below indicate Ruth Low and Stan Liu as the winners but election results will not be final or certified by the Los Angeles County Registrar-Recorder/County Clerk’s Office until November 30, 2020. Once certified, the Diamond Bar City Council will seat the two council members at it's December 1, 2020 regular meeting. 

Unofficial results indicate Measure DB did not receive the votes required to pass and the ballot measure has failed.

View Up-to-date results for Los Angeles County 

Latest count as of 11/20/2020 3:51:47 PM

Diamond Bar City Council Results

Ruth Low                             12,728

Stan Liu                                 8,121

Jennifer “Fred” Mahlke          6,461

Bill Rawlings                          4,921

Sam Castorena, JR.               3,647

Tommy Orona                        2,315

Aaron Mcelrea                       1,686


Measure DB – local sales tax Results

Yes        8,255

No        16,577


For more information about the election results and election certification, visit For local election questions, contact the City of Diamond Bar City Clerk’s office at (909) 839-7010.

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