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United States · Election results history · 1998 Senate · California
Election 1998 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1998 US Senate election in California

Barbara Boxer (Democrat) beat Matt Fong (Republican) in California in 1998, 53.1% to 43.0%, a margin of 10.0 points and 834,978 votes.

The Democratic hold continued from 1992, when Barbara Boxer also won.

Republicans led in 36 of the 58 counties and Democrats in 22. The largest, Los Angeles, cast 1,969,788 votes and went to the Democrat by 25.1 points. The closest was Alpine, where 18 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Barbara Boxer won Democratic 4,410,056 53.1%
Matt Fong Republican 3,575,078 43.0%
All other candidates 326,771 3.9%
Total8,311,905

Every county

CountyDemocratRepublicanOthersTotalMargin
Los Angeles 1,198,403 60.8% 704,782 35.8% 66,603 1,969,788 D+25.1
San Diego 339,658 46.2% 361,812 49.2% 33,575 735,045 R+3.0
Orange 276,594 39.1% 401,960 56.8% 29,734 708,288 R+17.7
Santa Clara 242,600 57.8% 160,350 38.2% 16,733 419,683 D+19.6
Alameda 266,329 69.6% 104,699 27.4% 11,520 382,548 D+42.3
Sacramento 180,389 50.5% 163,957 45.9% 13,144 357,490 D+4.6
Riverside 151,287 45.8% 164,019 49.6% 15,152 330,458 R+3.9
San Bernardino 155,093 47.5% 154,591 47.3% 17,033 326,717 D+0.2
Contra Costa 172,595 57.5% 117,922 39.3% 9,519 300,036 D+18.2
San Francisco 179,889 75.2% 52,443 21.9% 6,777 239,109 D+53.3
Ventura 97,207 46.9% 101,440 48.9% 8,716 207,363 R+2.0
San Mateo 130,064 63.1% 69,776 33.9% 6,146 205,986 D+29.3
Fresno 75,570 44.3% 88,412 51.8% 6,670 170,652 R+7.5
Sonoma 96,170 61.1% 53,695 34.1% 7,424 157,289 D+27.0
Kern 51,476 36.6% 83,391 59.3% 5,870 140,737 R+22.7
San Joaquin 59,312 48.0% 59,434 48.1% 4,830 123,576 R+0.1
Santa Barbara 60,911 49.5% 57,512 46.8% 4,554 122,977 D+2.8
Marin 66,160 65.4% 32,118 31.8% 2,861 101,139 D+33.7
Solano 56,772 56.3% 40,051 39.7% 4,027 100,850 D+16.6
Stanislaus 47,238 47.4% 48,560 48.7% 3,841 99,639 R+1.3
Placer 34,160 38.6% 51,063 57.7% 3,278 88,501 R+19.1
Monterey 46,651 53.2% 37,399 42.6% 3,688 87,738 D+10.5
Santa Cruz 53,363 62.7% 27,293 32.1% 4,391 85,047 D+30.7
San Luis Obispo 37,178 44.2% 43,719 51.9% 3,293 84,190 R+7.8
Tulare 28,284 39.2% 41,167 57.0% 2,782 72,233 R+17.8
Butte 26,540 40.7% 35,112 53.9% 3,503 65,155 R+13.2
El Dorado 21,697 38.5% 32,345 57.5% 2,254 56,296 R+18.9
Shasta 17,790 34.0% 31,428 60.0% 3,151 52,369 R+26.0
Yolo 28,491 58.1% 18,680 38.1% 1,852 49,023 D+20.0
Humboldt 23,342 50.6% 20,371 44.2% 2,414 46,127 D+6.4
Napa 22,654 54.5% 17,052 41.0% 1,874 41,580 D+13.5
Merced 19,008 48.4% 18,638 47.4% 1,634 39,280 D+0.9
Nevada 15,903 41.2% 21,200 54.9% 1,525 38,628 R+13.7
Mendocino 16,346 57.7% 10,147 35.8% 1,822 28,315 D+21.9
Madera 9,715 37.5% 15,042 58.1% 1,118 25,875 R+20.6
Imperial 11,597 51.5% 9,346 41.5% 1,596 22,539 D+10.0
Kings 9,338 42.8% 11,547 52.9% 957 21,842 R+10.1
Sutter 7,716 35.6% 13,188 60.8% 783 21,687 R+25.2
Tuolumne 8,752 43.7% 10,289 51.4% 966 20,007 R+7.7
Lake 10,104 54.8% 7,406 40.2% 916 18,426 D+14.6
Tehama 6,598 37.0% 10,112 56.7% 1,131 17,841 R+19.7
Siskiyou 6,162 39.2% 8,669 55.2% 882 15,713 R+16.0
Calaveras 6,502 41.4% 8,321 53.0% 866 15,689 R+11.6
Amador 5,614 42.2% 7,197 54.1% 489 13,300 R+11.9
Yuba 5,355 41.0% 6,971 53.4% 732 13,058 R+12.4
San Benito 6,428 51.1% 5,543 44.0% 620 12,591 D+7.0
Plumas 2,718 33.1% 5,059 61.5% 446 8,223 R+28.5
Lassen 2,624 32.9% 4,810 60.3% 538 7,972 R+27.4
Glenn 2,321 32.0% 4,536 62.5% 404 7,261 R+30.5
Del Norte 2,992 41.8% 3,783 52.8% 384 7,159 R+11.0
Mariposa 2,690 38.2% 3,944 56.1% 402 7,036 R+17.8
Inyo 2,443 37.3% 3,764 57.4% 351 6,558 R+20.1
Trinity 1,875 39.3% 2,486 52.1% 414 4,775 R+12.8
Colusa 1,734 37.1% 2,758 59.0% 185 4,677 R+21.9
Modoc 1,068 31.8% 2,048 61.0% 242 3,358 R+29.2
Mono 1,404 42.8% 1,719 52.5% 154 3,277 R+9.6
Sierra 582 34.4% 1,008 59.5% 104 1,694 R+25.1
Alpine 249 45.9% 267 49.2% 27 543 R+3.3

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

California Senate elections we hold

YearWinnerMargin
2024 Adam B. Schiff (D) D+17.7
2022 Alex Padilla (D) D+22.1
2018 Dianne Feinstein (D) D+54.2
2016 Kamala Harris (D) D+61.6
2012 Dianne Feinstein (D) D+25.0
2010 Barbara Boxer (D) D+10.0
2006 Dianne Feinstein (D) D+24.4
2004 Barbara Boxer (D) D+19.9
2000 Dianne Feinstein (D) D+19.3
1998 Barbara Boxer (D) D+10.0
1994 Dianne Feinstein (D) D+1.9
1992 Barbara Boxer (D) D+4.9
1988 Pete Wilson (R) R+8.8
1986 Alan Cranston (D) D+1.4
1982 Pete Wilson (R) R+6.8
1980 Alan Cranston (D) D+19.4
1976 S. I. Hayakawa (R) R+3.3
1974 Alan Cranston (D) D+24.3
1970 John V. Tunney (D) D+9.5
1968 Alan Cranston (D) D+4.9
1964 George Murphy (R) R+3.1
1962 Thomas Kuchel (R) R+12.9
1958 Clair Engle (D) D+14.1
1956 Thomas Kuchel (R) R+8.3
1952 William Knowland (R) R+87.8
1950 Richard M. Nixon (R) R+18.5
1946 William F. Knowland (R) R+9.9
1944 Sheridan Downey (D) D+4.6
1940 Hiram W. Johnson (R) R+82.5
1938 Sheridan Downey (D) D+9.8
1934 Hiram Johnson (R) R+94.5
1932 William Gibbs McAdoo (D) D+12.6
1928 Hiram W. Johnson (R) R+55.9
1926 Samuel M. Shortridge (R) R+26.2
1922 Hiram W. Johnson (R) R+38.4
1920 Samuel M. Shortridge (R) R+8.3
1916 Hiram W. Johnson (R) R+31.6
1914 James D. Phelan (D) D+2.9