California's 10th congressional district

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"CA-10" redirects here. For the state route, see California State Route 10 (disambiguation).
California's 10th congressional district
California US Congressional District 10 (since 2013).tif
California's 10th congressional district since January 3, 2013
Representative
  Josh Harder
D–Turlock
Population (2019)764,859
Median household
income		$69,647[1]
Ethnicity
  • 43.9% White
  • 42.0% Hispanic
  • 6.6% Asian
  • 3.2% Black
  • 3.1% Two or more races
  • 1.2% other
Cook PVIEVEN[2]

California's 10th congressional district is a congressional district in the U.S. state of California. Currently, the 10th district encompasses part of the northern San Joaquin Valley. It is currently represented by Democrat Josh Harder.

Harder defeated incumbent Republican Jeff Denham in the 2018 midterm elections.

The district includes all of Stanislaus County and part of San Joaquin County. It is centered on Modesto. Cities in the district include Oakdale, Manteca, Modesto, Tracy, and Turlock.[3]

History[]

Until 2012[]

Prior to redistricting by the California Citizens Redistricting Commission going into effect in 2012, the 10th district stretched from Livermore to Dixon and the outskirts of Vacaville. It consisted of portions of Alameda, Contra Costa, Sacramento, and Solano Counties.

District borders, 2002-2012.

Following redistricting in 1992, the 10th district was based in the East Bay, and included parts of Alameda and Contra Costa counties. It received national attention in 1996 when Democrat Ellen Tauscher defeated incumbent Republican Bill Baker in what was considered an upset.[4]

In the 2002 redistricting of California, all seats were made safe[5] for the parties of incumbent officeholders. The district boundaries were extended to include parts of Solano County, southwestern Sacramento County, eastern Contra Costa County and El Cerrito in western Contra Costa County. Although much of the suburban Tri-Valley region was shifted to the 11th congressional district, the city of Livermore remained in the 10th at Tauscher's request (as a member of the U.S. House Committee on Energy and Commerce, she had some oversight responsibilities over the U.S. Department of Energy, and hence indirectly of Lawrence Livermore National Laboratory).

On June 26, 2009, Tauscher resigned her seat to be sworn in as Undersecretary of State for Arms Control and International Security.[6][7][8] In the ensuing special election held on November 3, 2009, former Democratic Lieutenant Governor John Garamendi won the seat over Republican David Harmer 53.0% to 42.7%. Immediately following redistricting, Garamendi successfully ran for re-election in California's 3rd congressional district, which shares many municipalities with the 2002 version of the 10th district (e.g. Vacaville and Fairfield), but lies significantly northwest of the current 10th district.

2012 – 2022[]

The 10th congressional district starting with the election of 2012 and lasting through the election of 2020 included all of Stanislaus County (including Ceres, Oakdale, Modesto, Riverbank, and Turlock) and the southern portion of San Joaquin County (including Tracy and Manteca).[3]

This went into effect in 2012, as the result of redistricting by the California Citizens Redistricting Commission. This version of the 10th included much of the core of the old 18th district (Modesto, Ceres, and the southwestern half of Stanislaus County), though the 18th also included a substantial portion of Stockton. It also shares much of the northwestern portion of the old 19th district (Turlock, Riverbank, Oakdale, and the rest of northeastern Stanislaus County).

Republican Jeff Denham transferred from the prior 19th district to the newer 10th. He held it for three terms until being defeated in 2018 by Democrat Josh Harder, who won reelection in 2020, and is presently representing this district (as of this writing in 2022).

After 2022[]

The 10th district was redrawn in time for the 2022 election, being divided up between California's 5th congressional district (which now includes eastern portions of Modesto and eastern portions of Turlock), California's 9th congressional district (which is centered on Stockton, California and includes Tracy), and California's 13th congressional district (which includes western Modesto and western Turlock) .[9] Current 10th district incumbent Josh Harder is running for reelection in the new version of California's 9th congressional district.

Election results from statewide races[]

1992 – 2020[]

Year Office Results
1992 President Clinton 42.4 - 35.6%
Senator Boxer 48.0 - 42.5%
Senator Feinstein 56.9 - 37.7%
1994 Governor[10] Wilson 59.7 - 37.1%
Senator[11] Feinstein 52.3 - 42.0%
1996 President[12] Clinton 48.2 - 42.6%
1998 Governor[13] Davis 56.0 - 41.3%
Senator[14] Boxer 50.2 - 46.8%
2000 President[15] Gore 51.3 - 44.8%
Senator[16] Feinstein 55.8 - 40.0%
2002 Governor[17] Davis 49.9 - 39.1%
2003 Recall[18][19] No 52.6 - 47.4%
Schwarzenegger 42.2 - 34.7%
2004 President[20] Kerry 58.5 - 40.4%
Senator[21] Boxer 60.1 - 36.6%
2006 Governor[22] Schwarzenegger 56.2 - 38.7%
Senator[23] Feinstein 65.5 - 30.0%
2008 President[24] Obama 64.7 - 33.1%
2010 Governor Brown 57.4 - 38.7%
Senator Boxer 56.0 - 39.4%
2012 President Obama 50.6 - 47.0%
Senator[25] Feinstein 52.1 - 47.9%
2014 Governor[26] Brown 51.7 - 48.3%
2016 President Clinton 48.5 - 45.5%
Senator[27] Harris 57.1 - 42.9%
2018 Governor[28] Cox 50.5 - 49.5%
Senator[29] de Leon 56.9 - 43.1%
2020 President Biden 50.3 - 47.4%

Competitiveness[]

Voter Registration Statistics[]

The California Secretary of State publishes reports on California voter registration on a regular basis. Before the 2018 primary election, they published a report dating May 21, 2018.

Date Democratic Republican American Independent Green Libertarian No Party Preference
May 21, 2018[30] 127,878 117,900 10,011 959 2,484 70,251

List of members representing the district[]

Member Party Dates Cong
ress 		Electoral history Counties
District created on March 4, 1913
William Stephens.jpg
William Stephens 		Progressive March 4, 1913 –
July 22, 1916 		63rd
64th 		Redistricted from the 7th district and re-elected in 1912.
Re-elected in 1914.
Resigned to become Lieutenant Governor of California. 		1913–1933
Los Angeles (Los Angeles)
Vacant July 22, 1916 –
November 7, 1916 		64th
Henry S. Benedict (California Congressman).jpg
Henry S. Benedict 		Republican November 7, 1916 –
March 3, 1917 		Elected to finish Stephens's term.
Ran for the next term as a Progressive but withdrew.
HenryZOsborne.jpg
Henry Z. Osborne 		Republican March 4, 1917 –
February 8, 1923 		65th
66th
67th 		Elected in 1916.
Re-elected in 1918.
Re-elected in 1920.
Re-elected in 1922 but died.
Vacant February 8, 1923 –
May 1, 1923 		67th
68th
JohnDFredericks.jpg
John D. Fredericks 		Republican May 1, 1923 –
March 3, 1927 		68th
69th 		Elected to finish Osborne's term.
Re-elected in 1924.
Retired.
Joe Crail (California Congressman).jpg
Joe Crail 		Republican March 4, 1927 –
March 3, 1933 		70th
71st
72nd 		Elected in 1926.
Re-elected in 1928.
Re-elected in 1930.
Retired.
Henry E. Stubbs 2 (California Congressman).jpg
Henry E. Stubbs 		Democratic March 4, 1933 –
February 28, 1937 		73rd
74th
75th 		Elected in 1932.
Re-elected in 1934.
Re-elected in 1936.
Died. 		1933–1943
Kern, San Luis Obispo, Santa Barbara, Tulare, Ventura
Vacant February 28, 1937 –
May 4, 1937 		75th
AlfredJElliott.jpg
Alfred J. Elliott 		Democratic May 4, 1937 –
January 3, 1949 		75th
76th
77th
78th
79th
80th 		Elected to finish Stubbs's term.
Re-elected in 1938.
Re-elected in 1940.
Re-elected in 1942.
Re-elected in 1944.
Re-elected in 1946.
Retired.
1943–1953
Kern, Kings, Tulare
Thomas H. Werdel (California Congressman).jpg
Thomas H. Werdel 		Republican January 3, 1949 –
January 3, 1953 		81st
82nd 		Elected in 1948.
Re-elected in 1950.
Redistricted to the 14th district.
Lost re-election.
Charles Gubser.jpg
Charles Gubser 		Republican January 3, 1953 –
December 31, 1974 		83rd
84th
85th
86th
87th
88th
89th
90th
91st
92nd
93rd 		Elected in 1952.
Re-elected in 1954.
Re-elected in 1956.
Re-elected in 1958.
Re-elected in 1960.
Re-elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Retired and resigned. 		1953–1963
San Benito, Santa Clara, Santa Cruz
1963–1967
San Benito, western Santa Clara
1967–1973
Western Santa Clara
1973–1975
Most of Santa Clara
Vacant December 31, 1974 –
January 3, 1975 		93rd
Don Edwards.jpg
Don Edwards 		Democratic January 3, 1975 –
January 3, 1993 		94th
95th
96th
97th
98th
99th
100th
101st
102nd 		Redistricted from the 9th district and re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Re-elected in 1980.
Re-elected in 1982.
Re-elected in 1984.
Re-elected in 1986.
Re-elected in 1988.
Re-elected in 1990.
Redistricted to the 16th district. 		1975–1983
Southwest Alameda, northern Santa Clara
1983–1993
SW Alameda, Santa Clara (eastern San Jose)
Billpbaker.jpg
Bill Baker 		Republican January 3, 1993 –
January 3, 1997 		103rd
104th 		Elected in 1992.
Re-elected in 1994.
Lost re-election. 		1993–2003
Eastern Alameda, eastern Contra Costa
Ellen Tauscher.jpg
Ellen Tauscher 		Democratic January 3, 1997 –
June 26, 2009 		105th
106th
107th
108th
109th
110th
111th 		Elected in 1996.
Re-elected in 1998.
Re-elected in 2000.
Re-elected in 2002.
Re-elected in 2004.
Re-elected in 2006.
Re-elected in 2008.
Resigned to become Undersecretary of State for Arms Control and International Security.
2003–2013
Southeast Alameda, most of Contra Costa, southwest Sacramento, most of Solano
Ca10 109.png
Vacant June 26, 2009 –
November 3, 2009 		111th
Rep.JohnGaramendi.jpg
John Garamendi 		Democratic November 3, 2009 –
January 3, 2013 		111th
112th 		Elected to finish Tauscher's term.
Re-elected in 2010.
Redistricted to the 3rd district.
Jeff Denham official congressional photo.jpg
Jeff Denham 		Republican January 3, 2013 –
January 3, 2019 		113th
114th
115th 		Redistricted from the 19th district and re-elected in 2012.
Re-elected in 2014.
Re-elected in 2016.
Lost re-election. 		2013–present
Central Valley including Modesto and Tracy
Josh Harder, official portrait, 116th Congress.jpg
Josh Harder 		Democratic January 3, 2019 –
present 		116th
117th 		Elected in 2018.
Re-elected in 2020.
Redistricted to the 13th district.

Election results for representatives[]

1912[]

1912 United States House of Representatives elections
Party Candidate Votes %
Progressive William Stephens (Incumbent) 43,637 53.4
Democratic George Ringo 17,890 21.9
Socialist Fred C. Wheeler 17,126 21.0
Prohibition Emory D. Martindale 2,995 3.7
Total votes 81,648 100.0
Turnout  
Progressive hold

1914[]

1914 United States House of Representatives elections
Party Candidate Votes %
Progressive William Stephens (Incumbent) 44,141 38.4
Republican Henry Z. Osborne 33,172 28.9
Democratic Nathan Newby 17,810 15.5
Socialist Ralph L. Criswell 14,900 13.0
Prohibition Henry Clay Needham 4,903 4.3
Total votes 70,926 100.0
Turnout  
Progressive hold

1916 (Special)[]

1916 10th congressional district special election[31]
Party Candidate Votes %
Progressive Henry S. Benedict (write-in) 19,062 62.82
Independent Joy Clark (write-in) 7,149 23.59
Prohibition Henry Clay Needham (write-in) 1,310 4.32
Unknown George Clark (write-in) 1,073 3.54
Socialist James H. Ryckman (write-in) 911 3.01
Democratic Rufus V. Bowden (write-in) 553 1.83
Unknown John C. Wray (write-in) 270 0.89
Total votes 30,328 100.0
Turnout  
Progressive hold

1916[]

1916 United States House of Representatives elections
Party Candidate Votes %
Republican Henry Z. Osborne 63,913 49.5
Democratic Rufus W. Bowden 33,225 25.7
Progressive Henry Stanley Benedict 14,305 11.1
Socialist James H. Ryckman 9,000 7.0
Prohibition Henry Clay Needham 8,781 6.8
Total votes 129,224 100.0
Turnout  
Republican hold

1918[]

1918 United States House of Representatives elections
Party Candidate Votes %
Republican Henry Z. Osborne (Incumbent) 72,773 88.2
Socialist James H. Ryckman 9,725 11.8
Total votes 82,498 100.0
Turnout  
Republican hold

1920[]

1920 United States House of Representatives elections[32]
Party Candidate Votes %
Republican Henry Z. Osborne (Incumbent) 97,469 82.7
Socialist Upton Sinclair 20,439 17.3
Total votes 117,908 100.0
Turnout  
Republican hold

1922[]

1922 United States House of Representatives elections[33]
Party Candidate Votes %
Republican Henry Z. Osborne (Incumbent) 98,739 100.0
Turnout 98,739 100
Republican hold

1923 (Special)[]

Republican John D. Fredericks won the special election to replace fellow Republican Henry Z. Osborne, who died in office.[34]

1923 10th congressional district special election[35]
Party Candidate Votes %
Republican John D. Fredericks 28,084 36.16
Republican Henry Z. Osborne Jr. 18,103 23.31
Democratic Lloy Galphin 13,748 17.70
Republican Alfred L. Bartlett 8,857 11.40
Republican Frank A. McDonald 5,884 7.58
Prohibition John C. Bell 1,875 2.41
Independent Upton Sinclair 1,113 1.43
Total votes 77,664 100
Turnout  
Republican hold

1924[]

1924 United States House of Representatives elections[36]
Party Candidate Votes %
Republican John D. Fredericks (Incumbent) 133,780 62.3
Democratic Robert W. Richardson 80,870 37.7
Total votes 214,650 100.0
Turnout  
Republican hold

1926[]

1926 United States House of Representatives elections[37]
Party Candidate Votes %
Republican Joe Crail (Incumbent) 144,677 86.8
Socialist N. Jackson Wright 21,997 13.2
Total votes 166,674 100.0
Turnout  
Republican hold

1928[]

1928 United States House of Representatives elections[38]
Party Candidate Votes %
Republican Joe Crail (Incumbent) 301,028 93.9
Democratic Harry Sherr 19,659 6.1
Total votes 320,687 100.0
Turnout  
Republican hold

1930[]

1930 United States House of Representatives elections[39]
Party Candidate Votes %
Republican Joe Crail (Incumbent) 162,502 75.0
Democratic John F. Dockweiler 54,231 25.0
Total votes 216,733 100
Turnout  
Republican hold

1932[]

1932 United States House of Representatives elections[40]
Party Candidate Votes %
Democratic Henry E. Stubbs 50,390 55.3
Republican Arthur S. Crites 40,794 44.7
Total votes 91,184 100.0
Turnout  
Democratic gain from Republican

1934[]

1934 United States House of Representatives elections[41]
Party Candidate Votes %
Democratic Henry E. Stubbs (Incumbent) 68,475 64.4
Republican George R. Bliss 37,860 35.6
Total votes 106,335 100.0
Turnout  
Democratic hold

1936[]

1936 United States House of Representatives elections[42]
Party Candidate Votes %
Democratic Henry E. Stubbs (Incumbent) 72,476 69.6
Republican George R. Bliss 31,700 30.4
Total votes 104,176 100.0
Turnout  
Democratic hold

1937 (Special)[]

Democrat Alfred J. Elliott won the special election to replace fellow Democrat Henry E. Stubbs, who died in office.[43]

1937 10th congressional district special election[44]
Party Candidate Votes %
Democratic Alfred J. Elliott 22,321 48.91
Republican Harry A. Hopkins 17,678 38.74
Progressive Al Sessions 5,638 12.35
Total votes 45,637 100
Turnout  
Democratic hold

1938[]

1938 United States House of Representatives elections[45]
Party Candidate Votes %
Democratic Alfred J. Elliott (Incumbent) 84,791 67.3
Republican F. Fred Hoelscher 41,194 32.7
Total votes 125,985 100.0
Turnout  
Democratic hold

1940[]

1940 United States House of Representatives elections[46]
Party Candidate Votes %
Democratic Alfred J. Elliott (Incumbent) 125,845 97.0
Communist Louretta Adams 3,826 3.0
Total votes 129,671 100
Turnout  
Democratic hold

1942[]

1942 United States House of Representatives elections[47]
Party Candidate Votes %
Democratic Alfred J. Elliott (Incumbent) 43,864 100.0
Turnout 43,864 100
Democratic hold

1944[]

1944 United States House of Representatives elections[48]
Party Candidate Votes %
Democratic Alfred J. Elliott (Incumbent) 60,001 100.0
Turnout 60,001 100
Democratic hold

1946[]

1946 United States House of Representatives elections[49]
Party Candidate Votes %
Democratic Alfred J. Elliott (Incumbent) 51,843 100.0
Turnout   100
Democratic hold

1948[]

1948 United States House of Representatives elections[50]
Party Candidate Votes %
Republican Thomas H. Werdel 67,448 71.3
Progressive Sam James Miller 27,168 28.7
Total votes 94,616 100.0
Turnout  
Republican gain from Democratic

1950[]

1950 United States House of Representatives elections[51]
Party Candidate Votes %
Republican Thomas H. Werdel (Incumbent) 59,313 53.6
Democratic Harlan Hagen 51,409 46.4
Total votes 110,722 100.0
Turnout  
Republican hold

1952[]

1952 United States House of Representatives elections[52]
Party Candidate Votes %
Republican Charles S. Gubser 106,375 59.2
Democratic Arthur L. Johnson 70,271 39.1
Progressive Betsey K. Fisher 2,939 1.7
Total votes 179,585 100.0
Turnout  
Republican hold

1954[]

1954 United States House of Representatives elections[53]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 94,418 61.2
Democratic Paul V. Birmingham 59,843 38.8
Total votes 154,261 100.0
Turnout  
Republican hold

1956[]

1956 United States House of Representatives elections[54]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 128,891 60.7
Democratic William H. Vatcher 83,586 39.3
Total votes 212,477 100.0
Turnout  
Republican hold

1958[]

1958 United States House of Representatives elections[55]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 118,715 54.6
Democratic Russell B. Bryan 98,894 45.4
Total votes 217,609 100.0
Turnout  
Republican hold

1960[]

1960 United States House of Representatives elections[56]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 170,063 58.9
Democratic Russell B. Bryan 118,520 41.1
Total votes 288,583 100.0
Turnout  
Republican hold

1962[]

1962 United States House of Representatives elections[57]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 106,419 57.4
Democratic James P. Thurber Jr. 68,885 42.6
Total votes 175,304 100.0
Turnout  
Republican hold

1964[]

1964 United States House of Representatives elections[58]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 151,027 63.1
Democratic E. Day Carman 88,240 36.9
Total votes 239,267 100.0
Turnout  
Republican hold

1966[]

1966 United States House of Representatives elections[59]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 156,549 69.1
Democratic George Leppert 70,013 30.9
Total votes 226,562 100.0
Turnout  
Republican hold

1968[]

1968 United States House of Representatives elections[60]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 160,204 67.3
Democratic Grayson S. Taketa 73,530 30.9
Peace and Freedom Martin L. Primach 4,276 1.8
Total votes 238,010 100.0
Turnout  
Republican hold

1970[]

1970 United States House of Representatives elections[61]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 135,864 62.0
Democratic Stuart. D. McLean 80,530 36.8
American Independent Joyce W. Stancliffe 2,651 1.2
Total votes 219,045 100.0
Turnout  
Republican hold

1972[]

1972 United States House of Representatives elections[62]
Party Candidate Votes %
Republican Charles S. Gubser (Incumbent) 139,850 64.6
Democratic B. Frank Gillette 76,597 35.4
Total votes 216,447 100.0
Turnout  
Republican hold

1974[]

1974 United States House of Representatives elections[63]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 86,014 77.0
Republican Herb Smith 25,678 23.0
Total votes 111,692 100
Turnout  
Democratic gain from Republican

1976[]

1976 United States House of Representatives elections[64]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 111,992 72.0
Republican Herb Smith 38,088 24.5
American Independent Edmon V. Kaiser 5,363 3.5
Total votes 155,443 100.0
Turnout  
Democratic hold

1978[]

1978 United States House of Representatives elections[65]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 84,488 67.1
Republican Rudy Hansen 41,374 32.9
Total votes 125,862 100.0
Turnout  
Democratic hold

1980[]

1980 United States House of Representatives elections[66]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 102,231 62.1
Republican Joseph M. Lutton 45,987 27.9
Libertarian Joseph Fuhrig 11,904 7.2
American Independent Edmon V. Kaiser 4,421 2.7
Total votes 164,543 100.0
Turnout  
Democratic hold

1982[]

1982 United States House of Representatives elections[67]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 77,263 62.7
Republican Bob Herriott 41,506 33.7
Libertarian Dale Burrow 2,403 1.9
American Independent Edmon V. Kaiser 2,109 1.7
Total votes 123,281 100.0
Turnout  
Democratic hold

1984[]

1984 United States House of Representatives elections[68]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 102,469 62.4
Republican Bob Herriott 56,256 34.3
Libertarian Perr Cardestam 2,789 1.7
American Independent Edmon V. Kaiser 2,663 1.6
Total votes 164,177 100.0
Turnout  
Democratic hold

1986[]

1986 United States House of Representatives elections[69]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 84,240 70.5
Republican Michael R. La Crone 31,826 26.6
Libertarian Perr Cardestam 1,797 1.5
Peace and Freedom Bradley L. Mayer 1,701 1.4
Total votes 119,564 100.0
Turnout  
Democratic hold

1988[]

1988 United States House of Representatives elections[70]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 142,500 86.2
Libertarian Kennita Watson 22,801 13.8
Total votes 165,301 100.0
Turnout  
Democratic hold

1990[]

1990 United States House of Representatives elections[71]
Party Candidate Votes %
Democratic Don Edwards (Incumbent) 81,875 62.7
Republican Mark Patrosso 48,747 37.3
No party James (write-in) 15 0.0
Total votes 130,637 100.0
Turnout  
Democratic hold

1992[]

1992 United States House of Representatives elections[72]
Party Candidate Votes %
Republican Bill Baker 145,702 52.0
Democratic Wendell H. Williams 134,635 48.0
No party Williams (write-in) 55 0.0
No party Janloia (write-in) 37 0.0
Total votes 280,429 100
Turnout  
Republican win (new seat)

1994[]

1994 United States House of Representatives elections[73]
Party Candidate Votes %
Republican Bill Baker (Incumbent) 138,916 59.30
Democratic 90,523 38.65
Peace and Freedom Craig W. Cooper 4,802 2.05
Total votes 234,241 100.0
Turnout  
Republican hold

1996[]

1996 United States House of Representatives elections[74]
Party Candidate Votes %
Democratic Ellen Tauscher 137,726 48.7
Republican Bill Baker (Incumbent) 133,633 47.2
Reform John Place 6,354 2.3
Natural Law Valerie Janlois 3,047 1.0
Libertarian Gregory Lyon 2,423 0.8
Total votes 283,183 100.0
Turnout  
Democratic gain from Republican

1998[]

1998 United States House of Representatives elections[75]
Party Candidate Votes %
Democratic Ellen Tauscher (Incumbent) 127,134 53.46
Republican Charles Ball 103,299 43.44
Natural Law Valerie Janlois 3,941 1.66
Reform John Place 3,435 1.44
Total votes 237,809 100.0
Turnout  
Democratic hold

2000[]

2000 United States House of Representatives elections[76]
Party Candidate Votes %
Democratic Ellen Tauscher (Incumbent) 160,429 52.7
Republican Claude B. Hutchison Jr. 134,863 44.2
Natural Law Valerie Janlois 9,527 3.1
Total votes 304,819 100.0
Turnout  
Democratic hold

2002[]

2002 United States House of Representatives elections[77]
Party Candidate Votes %
Democratic Ellen Tauscher (Incumbent) 123,481 75.6
Libertarian Sonia E. Alonso Harden 39,858 24.4
Total votes 163,339 100.0
Turnout  
Democratic hold

2004[]

2004 United States House of Representatives elections[78]
Party Candidate Votes %
Democratic Ellen Tauscher (Incumbent) 182,750 65.8
Republican Jeff Ketelson 95,349 34.2
Total votes 278,099 100.0
Turnout  
Democratic hold

2006[]

2006 United States House of Representatives elections[79]
Party Candidate Votes %
Democratic Ellen Tauscher (Incumbent) 130,859 66.5
Republican Darcy Linn 66,069 33.5
Republican Jeff Ketelson (write-in) 50 0.0
Total votes 196,978 100.0
Turnout  
Democratic hold

2008[]

2008 United States House of Representatives elections[80]
Party Candidate Votes %
Democratic Ellen Tauscher (Incumbent) 192,226 65.2
Republican Nicholas Gerber 91,877 31.1
Peace and Freedom Eugene E. Ruyle 11,062 3.7
Total votes 295,165 100.0
Turnout  
Democratic hold

2009 (Special)[]

2009 California's 10th congressional district special election[81]
Party Candidate Votes %
Democratic John Garamendi 72,817 52.85
Republican David Harmer 59,017 42.83
Green Jeremy Cloward 2,515 1.83
Peace and Freedom Mary McIlroy 1,846 1.34
American Independent Jerome Denham 1,591 1.15
Total votes 137,786 100.00
Turnout   35.33
Democratic hold

2010[]

2010 United States House of Representatives elections[82]
Party Candidate Votes %
Democratic John Garamendi (Incumbent) 137,578 58.9
Republican Gary Clift 88,512 37.8
Green Jeremy Cloward 7,716 3.3
Total votes 233,806 100.0
Turnout  
Democratic hold

2012[]

2012 United States House of Representatives elections[83]
Party Candidate Votes %
Republican Jeff Denham 110,265 52.7
Democratic José M. Hernández 98,934 47.3
Total votes 209,199 100.0
Turnout  
Republican hold

2014[]

2014 United States House of Representatives elections[83]
Party Candidate Votes %
Republican Jeff Denham (Incumbent) 70,582 56%
Democratic Michael Eggman 55,123 44%
Total votes 125,705 100.0%
Turnout  
Republican hold

2016[]

2016 United States House of Representatives elections[84]
Party Candidate Votes %
Republican Jeff Denham (Incumbent) 124,671 51.7
Democratic Michael Eggman 116,470 48.3
Total votes 241,141 100.0
Republican hold

2018[]

Main article: 2018 California's 10th congressional district election
2018 United States House of Representatives elections
Primary election
Party Candidate Votes %
Republican Jeff Denham (Incumbent) 45,719 37.5
Democratic Josh Harder 20,742 17.0
Republican Ted D. Howze 17,723 14.6
Democratic Michael Eggman 12,446 10.2
Democratic Virginia Madueño 11,178 9.2
Democratic Sue Zwahlen 9,945 8.2
Democratic Michael J. "Mike" Barkley 2,904 2.4
Democratic Dotty Nygard (withdrawn) 1,100 0.9
Total votes 121,757 100.0
General election
Democratic Josh Harder 115,945 52.3
Republican Jeff Denham (Incumbent) 105,955 47.7
Total votes 221,900 100.0
Democratic gain from Republican

2020[]

2020 United States House of Representatives elections
Party Candidate Votes %
Democratic Josh Harder (Incumbent) 166,865 55.2
Republican Ted Howze 135,629 44.8
Total votes 302,494 100.0
Democratic hold

See also[]

  • List of United States congressional districts

References[]

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External links[]

Coordinates: 37°36′N 121°00′W / 37.6°N 121.0°W / 37.6; -121.0

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