California's 31st congressional district


California's 31st congressional district is a congressional district in San Bernardino County, in the U.S. state of California. The district is located in the Inland Empire region, including the city of San Bernardino and portions of Rancho Cucamonga. The district is currently represented by Democrat Pete Aguilar, who was first elected in 2014.

Competitiveness

In statewide races

List of members representing the district

District created January 3, 1963
MemberPartyDatesCong
ress		Electoral historyCounties-

Charles H. Wilson		DemocraticJanuary 3, 1963 –
January 3, 1981		Elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Lost re-nomination.		1963–1969
Los Angeles		-

Charles H. Wilson		DemocraticJanuary 3, 1963 –
January 3, 1981		Elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Lost re-nomination.		1969–1973
Los Angeles		-

Charles H. Wilson		DemocraticJanuary 3, 1963 –
January 3, 1981		Elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Lost re-nomination.		1973–1975
Los Angeles		-

Charles H. Wilson		DemocraticJanuary 3, 1963 –
January 3, 1981		Elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Lost re-nomination.		1975–1983
Los Angeles		-

Mervyn M. Dymally		DemocraticJanuary 3, 1981 –
January 3, 1993		Elected in 1980.
Re-elected in 1982.
Re-elected in 1984.
Re-elected in 1986.
Re-elected in 1988.
Re-elected in 1990.
Retired.		1975–1983
Los Angeles		-

Mervyn M. Dymally		DemocraticJanuary 3, 1981 –
January 3, 1993		Elected in 1980.
Re-elected in 1982.
Re-elected in 1984.
Re-elected in 1986.
Re-elected in 1988.
Re-elected in 1990.
Retired.		1983–1993
Los Angeles 		-

Matthew G. Martinez		DemocraticJanuary 3, 1993 –
July 27, 2000		Redistricted from the and re-elected in 1992.
Re-elected in 1994.
Re-elected in 1996.
Re-elected in 1998.
Lost re-nomination.		1993–2003
Los Angeles 		-

Matthew G. Martinez		RepublicanJuly 27, 2000 –
January 3, 2001		Switched to Republican Party after losing re-nomination.1993–2003
Los Angeles 		-

Hilda Solis		DemocraticJanuary 3, 2001 –
January 3, 2003		Elected in 2000.
Redistricted to the.		1993–2003
Los Angeles 		-

Xavier Becerra		DemocraticJanuary 3, 2003 –
January 3, 2013		Redistricted from the and re-elected in 2002.
Re-elected in 2004.
Re-elected in 2006.
Re-elected in 2008.
Re-elected in 2010.
Redistricted to the.		2003–2013
Los Angeles
-

Gary Miller		RepublicanJanuary 3, 2013 –
January 3, 2015		Redistricted from the and re-elected in 2012.
Retired.		2013–Present
Inland Empire including San Bernardino and Rancho Cucamonga
-

Pete Aguilar		DemocraticJanuary 3, 2015 –
Present		Elected in 2014.
Re-elected in 2016.
Re-elected in 2018.		2013–Present
Inland Empire including San Bernardino and Rancho Cucamonga

Election results

1962

1964

1966

1968

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

2016

2018

2020

Historical district boundaries

Formerly, from 2003 to 2013, the district was located in Los Angeles County. It was the only congressional district entirely based within the City of Los Angeles, and included Hollywood and some predominantly Hispanic/Latino sections of central and northeast Los Angeles.