Elections / 1984 · President · CA
California — 1984 presidential election
Recent presidential results
Akashicstate1984 presidential electionCalifornia · PresidentReaganR+16.2
How it voted
Share of the 1984 vote
| Ronald Reagan ✓Republican | 57.5% | 5,467,009 |
|---|---|---|
| Walter MondaleDemocratic | 41.3% | 3,922,519 |
| OtherAll other candidates | 1.2% | 115,513 |
1984presidential margin
D+60R+60
58 counties, each filled by 1984 D-vs-R margin. Hover any county for its result.
California cast 47 electoral votes this cycle.
County-level results (58 counties) — table
| County | Winner | Margin |
|---|---|---|
| Alameda County, CA | Democratic | D+18.6 |
| Alpine County, CA | Republican | R+15.0 |
| Amador County, CA | Republican | R+24.6 |
| Butte County, CA | Republican | R+27.7 |
| Calaveras County, CA | Republican | R+29.9 |
| Colusa County, CA | Republican | R+32.1 |
| Contra Costa County, CA | Republican | R+9.9 |
| Del Norte County, CA | Republican | R+19.0 |
| El Dorado County, CA | Republican | R+31.2 |
| Fresno County, CA | Republican | R+9.6 |
| Glenn County, CA | Republican | R+40.9 |
| Humboldt County, CA | Republican | R+4.9 |
| Imperial County, CA | Republican | R+25.1 |
| Inyo County, CA | Republican | R+42.0 |
| Kern County, CA | Republican | R+31.0 |
| Kings County, CA | Republican | R+29.0 |
| Lake County, CA | Republican | R+11.2 |
| Lassen County, CA | Republican | R+23.9 |
| Los Angeles County, CA | Republican | R+10.1 |
| Madera County, CA | Republican | R+21.3 |
| Marin County, CA | Democratic | D+0.6 |
| Mariposa County, CA | Republican | R+24.4 |
| Mendocino County, CA | Republican | R+6.2 |
| Merced County, CA | Republican | R+18.8 |
| Modoc County, CA | Republican | R+41.2 |
| Mono County, CA | Republican | R+46.2 |
| Monterey County, CA | Republican | R+15.4 |
| Napa County, CA | Republican | R+17.0 |
| Nevada County, CA | Republican | R+27.1 |
| Orange County, CA | Republican | R+50.4 |
| Placer County, CA | Republican | R+27.7 |
| Plumas County, CA | Republican | R+15.0 |
| Riverside County, CA | Republican | R+28.0 |
| Sacramento County, CA | Republican | R+12.4 |
| San Benito County, CA | Republican | R+22.8 |
| San Bernardino County, CA | Republican | R+30.8 |
| San Diego County, CA | Republican | R+31.9 |
| San Francisco County, CA | Democratic | D+35.9 |
| San Joaquin County, CA | Republican | R+20.4 |
| San Luis Obispo County, CA | Republican | R+28.7 |
| San Mateo County, CA | Republican | R+5.0 |
| Santa Barbara County, CA | Republican | R+26.8 |
| Santa Clara County, CA | Republican | R+11.2 |
| Santa Cruz County, CA | Democratic | D+8.1 |
| Shasta County, CA | Republican | R+25.9 |
| Sierra County, CA | Republican | R+15.7 |
| Siskiyou County, CA | Republican | R+18.9 |
| Solano County, CA | Republican | R+10.2 |
| Sonoma County, CA | Republican | R+3.4 |
| Stanislaus County, CA | Republican | R+19.4 |
| Sutter County, CA | Republican | R+44.0 |
| Tehama County, CA | Republican | R+27.4 |
| Trinity County, CA | Republican | R+22.3 |
| Tulare County, CA | Republican | R+28.8 |
| Tuolumne County, CA | Republican | R+17.7 |
| Ventura County, CA | Republican | R+38.5 |
| Yolo County, CA | Democratic | D+3.0 |
| Yuba County, CA | Republican | R+28.8 |
complete certified result
California candidate results
Top three shown first · expand for every reported candidate and write-in category
Source: MIT Election Data + Science Lab — U.S. President 1976–2024 state candidate returns
Nominees: Walter Mondale (D) · Ronald Reagan (R)
California's presidential margins
1892–2024, the 1984 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | +1.2% |
| 1896 | −0.6% |
| 1900 | −13.1% |
| 1904 | −34.9% |
| 1908 | −22.5% |
| 1912 | +41.8% |
| 1916 | +0.4% |
| 1920 | −41.9% |
| 1924 | −49.0% |
| 1928 | −30.5% |
| 1932 | +21.0% |
| 1936 | +35.3% |
| 1940 | +16.1% |
| 1944 | +13.5% |
| 1948 | +0.4% |
| 1952 | −13.6% |
| 1956 | −11.1% |
| 1960 | −0.5% |
| 1964 | +18.3% |
| 1968 | −3.1% |
| 1972 | −13.5% |
| 1976 | −1.8% |
| 1980 | −16.8% |
| 1984 | −16.2% |
| 1988 | −3.6% |
| 1992 | +13.4% |
| 1996 | +12.9% |
| 2000 | +11.8% |
| 2004 | +9.9% |
| 2008 | +24.0% |
| 2012 | +23.1% |
| 2016 | +30.0% |
| 2020 | +29.1% |
| 2024 | +20.1% |
County-by-county results — 58 counties
| County | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| Alameda County | D | 282,041 | 192,408 | 480,874 | |
| Alpine County | R | 194 | 264 | 466 | |
| Amador County | R | 4,188 | 6,986 | 11,363 | |
| Butte County | R | 25,421 | 45,381 | 71,964 | |
| Calaveras County | R | 4,081 | 7,632 | 11,877 | |
| Colusa County | R | 1,725 | 3,388 | 5,188 | |
| Contra Costa County | R | 140,994 | 172,331 | 316,318 | |
| Del Norte County | R | 2,696 | 3,996 | 6,841 | |
| El Dorado County | R | 14,312 | 27,583 | 42,478 | |
| Fresno County | R | 86,315 | 104,757 | 192,936 | |
| Glenn County | R | 2,488 | 6,020 | 8,632 | |
| Humboldt County | R | 25,217 | 27,832 | 53,891 | |
| Imperial County | R | 8,237 | 13,829 | 22,301 | |
| Inyo County | R | 2,360 | 5,863 | 8,338 | |
| Kern County | R | 49,567 | 94,776 | 145,744 | |
| Kings County | R | 7,324 | 13,364 | 20,848 | |
| Lake County | R | 8,648 | 10,874 | 19,831 | |
| Lassen County | R | 3,254 | 5,352 | 8,761 | |
| Los Angeles County | R | 1,158,912 | 1,424,113 | 2,612,914 | |
| Madera County | R | 8,994 | 13,954 | 23,241 | |
| Marin County | D | 57,533 | 56,887 | 116,050 | |
| Mariposa County | R | 2,399 | 3,989 | 6,518 | |
| Mendocino County | R | 14,407 | 16,369 | 31,422 | |
| Merced County | R | 17,012 | 24,997 | 42,477 | |
| Modoc County | R | 1,219 | 2,995 | 4,310 | |
| Mono County | R | 962 | 2,659 | 3,677 | |
| Monterey County | R | 40,733 | 55,710 | 97,470 | |
| Napa County | R | 18,599 | 26,322 | 45,561 | |
| Nevada County | R | 11,198 | 19,809 | 31,768 | |
| Orange County | R | 206,272 | 635,013 | 850,077 | |
| Placer County | R | 21,294 | 38,035 | 60,427 | |
| Plumas County | R | 3,837 | 5,224 | 9,228 | |
| Riverside County | R | 102,043 | 182,324 | 287,202 | |
| Sacramento County | R | 159,128 | 204,922 | 368,841 | |
| San Benito County | R | 3,554 | 5,695 | 9,380 | |
| San Bernardino County | R | 116,454 | 222,071 | 342,705 | |
| San Diego County | R | 257,029 | 502,344 | 769,267 | |
| San Francisco County | D | 193,278 | 90,219 | 286,972 | |
| San Joaquin County | R | 53,846 | 81,795 | 137,213 | |
| San Luis Obispo County | R | 26,946 | 49,035 | 76,950 | |
| San Mateo County | R | 122,268 | 135,185 | 260,631 | |
| Santa Barbara County | R | 51,243 | 89,314 | 142,320 | |
| Santa Clara County | R | 229,865 | 288,638 | 526,639 | |
| Santa Cruz County | D | 49,091 | 41,652 | 92,147 | |
| Shasta County | R | 19,298 | 33,041 | 53,127 | |
| Sierra County | R | 781 | 1,078 | 1,896 | |
| Siskiyou County | R | 7,130 | 10,544 | 18,101 | |
| Solano County | R | 41,982 | 51,678 | 94,798 | |
| Sonoma County | R | 71,295 | 76,447 | 149,657 | |
| Stanislaus County | R | 37,459 | 55,665 | 93,985 | |
| Sutter County | R | 5,535 | 14,477 | 20,323 | |
| Tehama County | R | 6,527 | 11,586 | 18,455 | |
| Trinity County | R | 2,218 | 3,544 | 5,935 | |
| Tulare County | R | 28,065 | 51,066 | 79,943 | |
| Tuolumne County | R | 7,283 | 10,485 | 18,051 | |
| Ventura County | R | 66,550 | 151,383 | 220,462 | |
| Yolo County | D | 25,879 | 24,329 | 50,853 | |
| Yuba County | R | 5,339 | 9,780 | 15,397 |
Same ballot, 1984CA
Source. MIT Election Data + Science Lab — 1984 presidential returns · official county-level results. Real returns — nothing estimated.