California's 48th State Assembly district

California's 48th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Blanca Rubio of Baldwin Park.

District profile

The district encompasses the eastern San Gabriel Valley, along with several foothill communities. The district is primarily suburban and heavily Latino.

Los Angeles County – 4.7% Azusa Baldwin Park Bradbury Covina Duarte El Monte – 37.9% Glendora Irwindale Monrovia – 0.7% Valinda West Covina – 71.3%

Election results from statewide races

Year	Office	Results
2020	President	Biden 63.7 - 32.7%
2018	Governor	Newsom 64.8 – 35.2%
Senator	Feinstein 51.6 – 48.4%
2016	President	Clinton 65.6 – 28.5%
Senator	Harris 51.9 – 48.1%
2014	Governor	Brown 58.0 – 42.0%
2012	President	Obama 64.1 – 33.4%
Senator	Feinstein 65.3 – 34.7%

List of assembly members representing the district

Due to redistricting, the 48th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.

Assembly members	Party	Years served	Counties represented
Frank French	Republican	January 5, 1885 – January 3, 1887	San Francisco
Joseph Windrow	January 3, 1887 – January 7, 1889
Thomas C. Maher	January 7, 1889 – January 5, 1891
Joseph Windrow	January 5, 1891 – January 2, 1893
J. J. McElroy	Democratic	January 2, 1893 – January 7, 1895	Alameda
Robert Gay	Republican	January 7, 1895 – January 4, 1897
Frank W. Leavitt	January 4, 1897 – January 2, 1899
Joseph McDonald Kelley	January 2, 1899 – January 5, 1903
Philip M. Walsh	January 5, 1903 – January 4, 1909
James T. Feeley	January 4, 1909 – January 2, 1911
Robert J. Callaghan	January 2, 1911 – January 6, 1913
John K. Alexander	Democratic	January 6, 1913 – January 4, 1915	Monterey, San Benito
Arthur Elliott Boyce	Republican	January 4, 1915 – January 8, 1917
William Jefferson Martin	January 8, 1917 – January 3, 1921
Daniel McCloskey	January 3, 1921 – January 8, 1923
C. C. Baker	January 8, 1923 – January 5, 1925
Fredrick Eugene Dayton	January 5, 1925 – January 3, 1927
Ellis Walton Hedges Jr.	January 3, 1927 – January 7, 1929
Ray C. De Yoe	January 7, 1929 – January 5, 1931
Robert Lincoln Patterson	January 5, 1931 – January 2, 1933	Kern
Frank G. Martin	January 2, 1933 – October 9, 1937	Los Angeles	Died in office during his 3rd term.
Vacant	October 9, 1937 – January 2, 1939
T. Fenton Knight	Republican	January 2, 1939 – January 3, 1949
Bruce V. Reagan	January 3, 1949 – January 8, 1951
Frank D. Lanterman	January 8, 1951 – January 7, 1963
George E. Danielson	Democratic	January 7, 1963 – January 2, 1967
David Roberti	January 2, 1967 – July 29, 1971	Resigned from office to be sworn in to the 27th State Senate district after winning the special election.
Vacant	July 29, 1971 – November 19, 1971
Bill Brophy	Republican	November 19, 1971 – November 30, 1972	Sworn in after winning special election to fill the vacant left by Roberti.
Vacant	November 30, 1972 – January 8, 1973
Richard Alatorre	Democratic	January 8, 1973 – November 30, 1974
Leon D. Ralph	December 2, 1974 – November 30, 1976
Maxine Waters	December 6, 1976 – November 30, 1990
Marguerite Archie-Hudson	December 3, 1990 – November 30, 1996
Roderick Wright	December 2, 1996 – November 30, 2002
Mark Ridley-Thomas	December 2, 2002 – November 30, 2006
Mike Davis	December 4, 2006 – November 30, 2012
Roger Hernández	December 3, 2012 – November 30, 2016
Blanca Rubio	December 5, 2016 – present

Election results (1990–present)

1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
2022
2024

2024

2024 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Democratic	Blanca Rubio (incumbent)	27,471	41.4
	Republican	Dan Tran	26,226	39.5
	Democratic	Brian Calderón Tabatabai	12,712	19.1
Total votes	66,409	100.0
General election
	Democratic	Blanca Rubio (incumbent)	101,637	61.8
	Republican	Dan Tran	62,880	38.2
Total votes	164,517	100.0
	Democratic hold

2022

2022 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Democratic	Blanca Rubio (incumbent)	38,026	97.1
	Republican	Ryan Maye (write-in)	1,138	2.9
Total votes	39,164	100.0
General election
	Democratic	Blanca Rubio (incumbent)	60,770	60.8
	Republican	Ryan Maye	39,110	39.2
Total votes	99,880	100.0
	Democratic hold

2020

2020 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Democratic	Blanca Rubio (incumbent)	58,432	100.0
Total votes	58,432	100.0
General election
	Democratic	Blanca Rubio (incumbent)	126,430	100.0
Total votes	126,430	100.0
	Democratic hold

2018

2018 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Democratic	Blanca Rubio (incumbent)	33,144	100.0
Total votes	33,144	100.0
General election
	Democratic	Blanca Rubio (incumbent)	90,105	100.0
Total votes	90,105	100.0
	Democratic hold

2016

2016 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Republican	Cory Ellenson	18,547	26.4
	Democratic	Blanca Rubio	17,941	25.5
	Democratic	Bryan Urias	16,178	23.0
	Democratic	Manuel Lozano	11,510	16.4
	Democratic	Armando Barajas	6,129	8.7
Total votes	70,305	100.0
General election
	Democratic	Blanca Rubio	87,321	64.1
	Republican	Cory Ellenson	48,922	35.9
Total votes	136,243	100.0
	Democratic hold

2014

2014 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Democratic	Roger Hernandez (incumbent)	13,254	48.5
	Republican	Joe Gardner	11,187	40.9
	No party preference	Mike Meza	2,878	10.5
Total votes	27,319	100.0
General election
	Democratic	Roger Hernandez (incumbent)	30,131	54.4
	Republican	Joe Gardner	25,284	45.6
Total votes	55,415	100.0
	Democratic hold

2012

2012 California State Assembly 48th district election
Primary election
Party	Candidate	Votes	%
	Republican	Joe M. Gardner	15,344	45.6
	Democratic	Roger Hernandez (incumbent)	14,625	43.4
	No party preference	Mike Meza	3,698	11.0
Total votes	33,667	100.0
General election
	Democratic	Roger Hernandez (incumbent)	74,642	59.4
	Republican	Joe M. Gardner	50,927	40.6
Total votes	125,569	100.0
	Democratic hold

2010

2010 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Mike Davis (incumbent)	50,825	100.0
Total votes	50,825	100.0
	Democratic hold

2008

2008 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Mike Davis (incumbent)	75,279	87.1
	Peace and Freedom	Lucilla Esguerra	11,173	12.9
Total votes	86,452	100.0
	Democratic hold

2006

2006 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Mike Davis	43,310	88.8
	Republican	Brenda Green	5,479	11.2
Total votes	48,789	100.0
	Democratic hold

2004

2004 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Mark Ridley-Thomas (incumbent)	68,289	89.1
	Republican	Sebastian Alexander	8,333	10.9
Total votes	76,622	100.0
	Democratic hold

2002

2002 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Mark Ridley-Thomas	41,280	87.6
	Republican	Gerard Toussaint Robinson	4,427	9.4
	Libertarian	Nolayan O. Herdegen	1,421	3.0
Total votes	47,128	100.0
	Democratic hold

2000

2000 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Roderick "Rod" Wright (incumbent)	56,030	94.3
	Republican	Ernest Woods	3,394	5.7
Total votes	59,424	100.0
	Democratic hold

1998

1998 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Roderick "Rod" Wright (incumbent)	43,736	94.7
	Republican	Ernest Woods	2,455	5.3
Total votes	46,191	100.0
	Democratic hold

1996

1996 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Roderick "Rod" Wright	46,134	100.0
Total votes	46,134	100.0
	Democratic hold

1994

1994 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Marguerite Archie-Hudson (incumbent)	35,150	100.0
Total votes	35,150	100.0
	Democratic hold

1992

1992 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Marguerite Archie-Hudson (incumbent)	55,719	93.1
	Republican	Jonathan Leonard	4,159	6.9
Total votes	59,878	100.0
	Democratic hold

1990

1990 California State Assembly 48th district election
Party	Candidate	Votes	%
	Democratic	Marguerite Archie-Hudson	25,511	79.3
	Republican	Gloria Salazar	4,931	15.3
	Libertarian	Jose Castaneda	1,727	5.4
Total votes	32,169	100.00
	Democratic hold

External links

from the California Citizens Redistricting Commission