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Federal race · California

United States Representative · District 10

California. Election Day was Nov. 3, 2026. Two candidates are on the official list.

Who is running

Certified by California Secretary of State, as of Oct 15, 2026. Official list

Names and parties are copied exactly from the official list. Blue marks Democrats, red marks Republicans, and gray marks every other party or none; each is also labeled in words.

Official vote count

Unofficial results until certified. These are counts as published by California Secretary of State. Counts change as ballots are counted. Power & Politics does not call races or project winners.

U.S. House of Representatives District 10 - Districtwide Results, as listed by the official source
Candidate or choicePartyVotesShare of votes counted
Mark DeSaulnierDem131,90169.1%
Jeff FreseRep59,08230.9%

728 of 728 precincts reporting, as stated by California Secretary of State. As reported by California Secretary of State (the source says it was updated November 5, 2026, 6:58 p.m.). Rows are in the order the source lists them, which is not a ranking. Official source · All California results

Worth knowing

Each fact is worked out from the official records linked beside it. None is a prediction or a rating.

Past results

Share of the vote for this district, 1920 to 2024Percent of all votes counted in each regular general election. A gap means the party had no candidate or no count was published.
  • Democratic candidate
  • Republican candidate
Share of the vote for this district, 1920 to 2024Line chart with 2 series from 1920 to 2024. The same figures are in the data table below. A gap in a line means no figure.0%25%50%75%100%19502000Democratic candidate, 1924: 37.67%Democratic candidate, 2024: 66.47%Republican candidate, 2024: 33.53%66.5%33.5%Share of the vote for this district, 1920 to 2024Line chart with 2 series from 1920 to 2024. The same figures are in the data table below. A gap in a line means no figure.0%25%50%75%100%192019401960198020002020Democratic candidate, 1924: 37.67%Democratic candidate, 2024: 66.47%Republican candidate, 2024: 33.53%Democratic candidate 66.5%Republican candidate 33.5%

District lines are redrawn after each census and sometimes in between, so the same district number did not always cover the same ground. A break in a line means no figure was published or held for that year. It does not mean zero.

Data table: Share of the vote for this district, 1920 to 2024
Share of the vote for this district, 1920 to 2024
YearDemocratic candidateRepublican candidate
1920No figure82.67%
1922No figure100%
192437.67%62.31%
1926No figure86.78%
1928No figure93.52%
193025.02%74.97%
193255.26%44.73%
193464.39%35.6%
193669.52%30.41%
193867.2%32.65%
194096.76%No figure
194299.76%No figure
194499.87%No figure
194699.79%No figure
1948No figure71.27%
195046.43%53.57%
195239.13%59.23%
195438.79%61.21%
195639.34%60.66%
195845.44%54.55%
196041.07%58.93%
196239.29%60.7%
196436.88%63.12%
196630.9%69.09%
196830.89%67.31%
197036.76%62.03%
197235.39%64.61%
197477.01%22.99%
197672.05%24.5%
197867.13%32.87%
198062.13%27.95%
198262.67%33.67%
198462.41%34.27%
198670.46%26.62%
198886.21%No figure
199062.67%37.31%
199248.01%51.96%
199438.65%59.3%
199648.63%47.19%
199853.46%43.44%
200052.63%44.24%
200275.59%No figure
200465.71%34.29%
200666.43%33.54%
200865.12%31.13%
201058.84%37.86%
201247.29%52.71%
201443.85%56.15%
201648.3%51.7%
201852.25%47.75%
202055.16%44.84%
202278.93%No figure
202466.47%33.53%

Source: Federal Election Commission, Federal Elections and Clerk of the House of Representatives, Statistics of the Presidential and Congressional Election and MIT Election Data and Science Lab, U.S. House of Representatives 1976-2024 (compiled from the Clerk of the House). As of Nov 5, 2026.

Winners and margins, 1920 to 2024
Winners and margins
YearMost votesMargin over the runner-up
2024Mark Desaulnier (Democratic)120,106 votes (32.9 points)
2022Mark Desaulnier (Democratic)145,450 votes (57.9 points)
2020Josh Harder (Democratic)31,236 votes (10.3 points)
2018Josh Harder (Democratic)9,990 votes (4.5 points)
2016Jeff Denham (Republican)8,201 votes (3.4 points)
2014Jeff Denham (Republican)15,459 votes (12.3 points)
2012Jeff Denham (Republican)11,331 votes (5.4 points)
2010John Garamendi (Democratic)49,066 votes (21.0 points)
2008Ellen O. Tauscher (Democratic)100,349 votes (34.0 points)
2006Ellen O. Tauscher (Democratic)64,790 votes (32.9 points)
2004Ellen O. Tauscher (Democratic)87,401 votes (31.4 points)
2002Ellen O. Tauscher (Democratic)85,583 votes (51.2 points)
2000Ellen O. Tauscher (Democratic)25,566 votes (8.4 points)
1998Ellen O. Tauscher (Democratic)23,835 votes (10.0 points)
1996Ellen O. Tauscher (Democratic)4,093 votes (1.4 points)
1994Bill Baker (Republican)48,393 votes (20.7 points)
1992Bill Baker (Republican)11,067 votes (3.9 points)
1990Don Edwards (Democratic)33,128 votes (25.4 points)
1988Don Edwards (Democratic)119,699 votes (72.4 points)
1986Don Edwards (Democratic)52,414 votes (43.8 points)
1984Don Edwards (Democratic)46,213 votes (28.1 points)
1982Don Edwards (Democratic)35,757 votes (29.0 points)
1980Don Edwards (Democratic)56,244 votes (34.2 points)
1978Don Edwards (Democratic)43,114 votes (34.3 points)
1976Don Edwards (Democratic)73,904 votes (47.5 points)
1974Don Edwards (Democratic)60,336 votes (54.0 points)
1972Charles S. Gubser (Republican)63,253 votes (29.2 points)
1970Charles S. Gubser (Republican)55,334 votes (25.3 points)
1968Charles S. Gubser (Republican)86,674 votes (36.4 points)
1966Charles S. Gubser (Republican)86,536 votes (38.2 points)
1964Charles S. Gubser (Republican)62,787 votes (26.2 points)
1962Charles S. Gubser (Republican)37,534 votes (21.4 points)
1960Charles S. Gubser (Republican)51,543 votes (17.9 points)
1958Charles S. Gubser (Republican)19,821 votes (9.1 points)
1956Charles S. Gubser (Republican)45,305 votes (21.3 points)
1954Charles S. Gubser (Republican)34,575 votes (22.4 points)
1952Charles S. Gubser (Republican)36,104 votes (20.1 points)
1950Thomas H. Werdel (Republican)7,904 votes (7.1 points)
1948Thomas H. Werdel (Republican, Democrat)40,280 votes (42.6 points)
1946Alfred J. Elliott (Democrat, Republican)Unopposed
1944Alfred J. Elliott (Democrat, Republican)Unopposed
1942Alfred J. Elliott (Democrat, Republican)Unopposed
1940A. J. Elliott (Democrat, Republican)122,019 votes (93.8 points)
1938A. J. Elliott (Democratic)43,597 votes (34.6 points)
1936Henry E. Stubbs (Democratic)40,776 votes (39.1 points)
1934Henry E. Stubbs (Democratic)30,615 votes (28.8 points)
1932Henry E. Stubbs (Democratic)9,596 votes (10.5 points)
1930Joe Crail (Republican)108,271 votes (50.0 points)
1928Joe Crail (Republican-Democrat)281,369 votes (87.4 points)
1926Joe Crail (Republican-Democrat-Prohibition)122,680 votes (73.6 points)
1924John D. Fredericks (Republican)52,910 votes (24.6 points)
1922Henry Z. Osborne (Republican)Unopposed
1920Henry Z. Osborne (Republican)77,030 votes (65.3 points)

See every result for this district

Map

California's U.S. House districts, with District 10 outlined
  • This race
  • Another district
  • No figure
California's U.S. House districts, with District 10 outlinedMap of the California congressional districts of the 119th Congress, coloured by group with a group list in the table. The same information is in the data table below.CA-1: Another districtCA-2: Another districtCA-3: Another districtCA-4: Another districtCA-5: Another districtCA-6: Another districtCA-7: Another districtCA-8: Another districtCA-9: Another districtCA-11: Another districtCA-12: Another districtCA-13: Another districtCA-14: Another districtCA-15: Another districtCA-16: Another districtCA-17: Another districtCA-18: Another districtCA-19: Another districtCA-20: Another districtCA-21: Another districtCA-22: Another districtCA-23: Another districtCA-24: Another districtCA-25: Another districtCA-26: Another districtCA-27: Another districtCA-28: Another districtCA-29: Another districtCA-30: Another districtCA-31: Another districtCA-32: Another districtCA-33: Another districtCA-34: Another districtCA-35: Another districtCA-36: Another districtCA-37: Another districtCA-38: Another districtCA-39: Another districtCA-40: Another districtCA-41: Another districtCA-42: Another districtCA-43: Another districtCA-44: Another districtCA-45: Another districtCA-46: Another districtCA-47: Another districtCA-48: Another districtCA-49: Another districtCA-50: Another districtCA-51: Another districtCA-52: Another districtCA-10: This race

Outlines are the Census Bureau's simplified cartographic boundaries, drawn for display, not for legal boundaries. Group names are in the table and in each district's tooltip, not only shown by colour.

Data table: California's U.S. House districts, with District 10 outlined
California's U.S. House districts, with District 10 outlined
DistrictContest
CA-1Another district
CA-2Another district
CA-3Another district
CA-4Another district
CA-5Another district
CA-6Another district
CA-7Another district
CA-8Another district
CA-9Another district
CA-10This race
CA-11Another district
CA-12Another district
CA-13Another district
CA-14Another district
CA-15Another district
CA-16Another district
CA-17Another district
CA-18Another district
CA-19Another district
CA-20Another district
CA-21Another district
CA-22Another district
CA-23Another district
CA-24Another district
CA-25Another district
CA-26Another district
CA-27Another district
CA-28Another district
CA-29Another district
CA-30Another district
CA-31Another district
CA-32Another district
CA-33Another district
CA-34Another district
CA-35Another district
CA-36Another district
CA-37Another district
CA-38Another district
CA-39Another district
CA-40Another district
CA-41Another district
CA-42Another district
CA-43Another district
CA-44Another district
CA-45Another district
CA-46Another district
CA-47Another district
CA-48Another district
CA-49Another district
CA-50Another district
CA-51Another district
CA-52Another district

Source: U.S. Census Bureau cartographic boundary file for the 119th Congress. As of the 119th Congress (2025 to 2027) boundary file.

The outlined district is the one in force for the 119th Congress. A state that redrew its map for 2026 may vote on different lines; the official list above names the contest.

Headlines that name a candidate in this race

No headline from the outlets we follow has named a candidate in this race together with California in the last 30 days.

Headlines are shown as each outlet published them, with a link to the outlet. A headline appears here only when it names a candidate's full name and the state, or comes from a newsroom in the state. They are the outlets' reporting, not Power & Politics findings.

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