California's 23rd State Assembly district

California's 23rd State Assembly district
Map of the district
Current assemblymember
  Marc Berman
D–Menlo Park
Population (2020)
 • Voting age
 • Citizen voting age		474,000[1]
378,104[1]
305,410[1]
Demographics
Registered voters282,794[2]
Registration54.27% Democratic
14.46% Republican
26.94% No party preference

California's 23rd State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Marc Berman of Menlo Park.

District profile

As of the 2020 redistricting (which took effect as of the 2022 elections), the district includes Silicon Valley communities, containing multiple notable high-tech companies and parts of the Caltrain corridor, as well as smaller, rural districts along the coast.

Election results from statewide races

Due to redistricting, the 23rd district has been moved around different parts of the state.

Year Office Results
2022 Governor Newsom 74.7 – 25.3%
Senator Padilla 76.2 – 23.8%
2021 Recall Yes Yes 56.5 – 43.5%
2020[3] President Trump 50.2 – 47.8%
2018 Governor[4] Cox 55.8 – 44.2%
Senator[5] De Leon 53.3 – 46.7%
2016 President Trump 50.8 – 44.0%
Senator Harris 53.6 – 46.4%
2014 Governor Kashkari 58.3 – 41.7%
2012 President Romney 54.7 – 43.5%
Senator Emken 55.9 – 44.1%

List of assembly members

Due to redistricting, the 23rd district has been moved around different parts of the state.

Assembly members Party Years served Counties represented Notes
William T. Mears Republican January 5, 1885 – January 3, 1887 Sonoma
George W. Morgan Democratic January 3, 1887 – January 7, 1889
Felix B. Mulgrew Democratic January 7, 1889 – January 5, 1891
Frank J. Murphy January 5, 1891 – January 2, 1893
James I. Taylor Republican January 2, 1893 – January 7, 1895 Marin
James H. Wilkins Democratic January 7, 1895 – January 4, 1897
M. Canavan Republican January 4, 1897 – January 2, 1899
John W. Atherton January 2, 1899 – January 5, 1903
Frank E. Dunlap January 5, 1903 – January 2, 1905 San Joaquin
Robert Beardslee January 2, 1905 – January 2, 1911
Elmer H. McGowen January 2, 1911 – January 6, 1913
James J. Ryan January 6, 1913 – January 6, 1919 San Francisco
Charles J. McColgan January 6, 1919 – January 3, 1921
Joseph F. Burns Democratic January 3, 1921 – January 7, 1929
Joseph P. Gilmore Republican January 7, 1929 – January 2, 1933
William B. Hornblower January 2, 1933 – January 2, 1939
Daniel Gallagher Democratic January 2, 1939 – January 7, 1942 Resigned to become a member of the San Francisco County Board of Supervisors
William Clifton Berry January 4, 1943 – May 5, 1954 Died in office.
John A. O'Connell January 3, 1955 – January 7, 1963
John Francis Foran January 7, 1963 – November 30, 1974
John Vasconcellos December 2, 1974 – November 30, 1992 Santa Clara
Dominic L. Cortese December 7, 1992 – December 8, 1995 Changed his party affiliation from Democrat to Reform.[6]
Reform December 8, 1995 – November 30, 1996
Mike Honda Democratic December 2, 1996 – November 30, 2000
Manny Diaz December 4, 2000 – November 30, 2004
Joe Coto December 6, 2004 – November 30, 2010
Nora Campos December 6, 2010 – November 30, 2012
Jim Patterson Republican December 3, 2012 – November 30, 2022 Fresno, Tulare
Marc Berman Democratic December 5, 2022 – Present San Mateo, Santa Clara

Election results (1992–present)

2022

2022 California State Assembly election[7]
Primary election
Party Candidate Votes %
Democratic Marc Berman (incumbent) 83,533 76.3
Republican Tim Dec 26,002 23.7
Total votes 109,535 100.0
General election
Democratic Marc Berman (incumbent) 124,602 73.4
Republican Tim Dec 45,149 26.6
Total votes 169,751 100.0
Democratic gain from Republican


2020

2020 California State Assembly election
Primary election
Party Candidate Votes %
Republican Jim Patterson (incumbent) 101,217 100.0%
Total votes 101,217 100.0%
General election
Republican Jim Patterson (incumbent) 177,600 100.0%
Total votes 177,600 100.0%
Republican hold

2018

California State Assembly election, 2018
Primary election
Party Candidate Votes %
Republican Jim Patterson (incumbent) 58,927 64.9
Democratic Aileen Rizo 31,902 35.1
Total votes 90,829 100.0
General election
Republican Jim Patterson (incumbent) 98,789 59.4
Democratic Aileen Rizo 67,443 40.6
Total votes 166,232 100.0
Republican hold

2016

California State Assembly election, 2016
Primary election
Party Candidate Votes %
Republican Jim Patterson (incumbent) 73,686 77.4
Republican Gwen L. Morris 21,522 22.6
Total votes 95,208 100.0
General election
Republican Jim Patterson (incumbent) 125,123 75.9
Republican Gwen L. Morris 39,656 24.1
Total votes 164,809 100.0
Republican hold

2014

California State Assembly election, 2014
Primary election
Party Candidate Votes %
Republican Jim Patterson (incumbent) 55,914 100.0
Total votes 55,914 100.0
General election
Republican Jim Patterson (incumbent) 82,417 100.0
Total votes 82,417 100.0
Republican hold

2012

California State Assembly election, 2012
Primary election
Party Candidate Votes %
Republican Jim Patterson 30,827 39.4
Republican Bob Whalen 19,992 25.5
Democratic Richard Rojas 17,690 22.6
Republican Vong Mouanoutoua 5,487 7.0
Republican David DeFrank 4,278 5.5
Total votes 78,274 100.0
General election
Republican Jim Patterson 83,817 54.7
Republican Bob Whalen 69,457 45.3
Total votes 153,274 100.0
Republican gain from Democratic

2010

2010 California State Assembly election
Party Candidate Votes %
Democratic Nora Campos 58,629 75.1
Republican Atul Saini 19,494 24.9
Total votes 78,123 100.0
Democratic hold

2008

2008 California State Assembly election
Party Candidate Votes %
Democratic Joe Coto (incumbent) 81,523 76.62
Republican Mark Patrosso 24,876 23.38
Total votes 106,399 100.00
Turnout   71.12
Democratic hold

2006

2006 California State Assembly election
Party Candidate Votes %
Democratic Joe Coto (incumbent) 49,977 73.88
Republican Mark Patrosso 17,671 26.12
Total votes 67,648 100.00
Turnout   51.58
Democratic hold

2004

2004 California State Assembly election
Party Candidate Votes %
Democratic Joe Coto 62,569 67.12
Republican Mark Patrosso 26,051 27.95
Green Warner S. Bloomberg IIi 4,597 4.93
Total votes 93,217 100.00
Democratic hold

2002

2002 California State Assembly election
Party Candidate Votes %
Democratic Manny Diaz (incumbent) 42,428 81.55
Green Warner S. Bloomberg III 9,598 18.45
Invalid or blank votes 8,220 13.64
Total votes 60,246 100.00
Democratic hold

2000

2000 California State Assembly election
Party Candidate Votes %
Democratic Manolo Diaz 58,020 71.60
Republican Tom Askeland 17,531 21.64
Libertarian Dana W. Albrecht 5,478 6.76
Invalid or blank votes 9,017 10.01
Total votes 90,046 100.00
Democratic hold

1998

1998 California State Assembly election
Party Candidate Votes %
Democratic Mike Honda (incumbent) 45,340 75.77
Republican Patrick Du Long 14,498 24.23
Invalid or blank votes 6,125 9.29
Total votes 65,963 100.00
Democratic hold

1996

1996 California State Assembly election
Party Candidate Votes %
Democratic Mike Honda 54,370 73.39
Republican Lisa M. Sutton 19,712 26.61
Invalid or blank votes 7,844 9.57
Total votes 81,926 100.00
Democratic gain from Reform

1994

1994 California State Assembly election
Party Candidate Votes %
Democratic Dominic L. Cortese (incumbent) 36,575 64.33
Republican Frank Jewett 15,647 27.52
Green Tim K. Fitzgerald 4,630 8.14
Invalid or blank votes 10,009 14.97
Total votes 66,861 100.00
Democratic hold

1992

1992 California State Assembly election
Party Candidate Votes %
Democratic Dominic L. Cortese (incumbent) 54,539 65.91
Republican Monica A. Valladares 28,121 34.09
Invalid or blank votes 10,210 10.98
Total votes 92,870 100.00
Democratic hold

See also

References

  1. ^ a b c d "Citizens Redistricting Commission Final Report, 2021" (PDF).
  2. ^ "California Secretary of State 15-Day Report February 20, 2024" (PDF).
  3. ^ "2020 Presidential by Legislative District & Most Recent Election Result". CNalysis. April 16, 2021. Retrieved June 9, 2021.
  4. ^ "Supplement to the Statement of Vote" (PDF). ca.gov. Retrieved September 17, 2023.
  5. ^ "Supplement to the Statement of Vote" (PDF). ca.gov. Retrieved September 17, 2023.
  6. ^ "Democratic Legislator Switches to Perot Party". Los Angeles Times. December 6, 1995.
  7. ^ "General Election - Statement of the Vote, November 8, 2022 :: California Secretary of State". www.sos.ca.gov.