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 |
California results by county
58 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Alameda County | Mondale, Walter+89,633 | 192,40840.0% | 282,04158.7% | 6,4251.3% | 480,874 |
| Alpine County | Reagan, Ronald+70 | 26456.7% | 19441.6% | 81.7% | 466 |
| Amador County | Reagan, Ronald+2,798 | 6,98661.5% | 4,18836.9% | 1891.7% | 11,363 |
| Butte County | Reagan, Ronald+19,960 | 45,38163.1% | 25,42135.3% | 1,1621.6% | 71,964 |
| Calaveras County | Reagan, Ronald+3,551 | 7,63264.3% | 4,08134.4% | 1641.4% | 11,877 |
| Colusa County | Reagan, Ronald+1,663 | 3,38865.3% | 1,72533.2% | 751.4% | 5,188 |
| Contra Costa County | Reagan, Ronald+31,337 | 172,33154.5% | 140,99444.6% | 2,9930.9% | 316,318 |
| Del Norte County | Reagan, Ronald+1,300 | 3,99658.4% | 2,69639.4% | 1492.2% | 6,841 |
| El Dorado County | Reagan, Ronald+13,271 | 27,58364.9% | 14,31233.7% | 5831.4% | 42,478 |
| Fresno County | Reagan, Ronald+18,442 | 104,75754.3% | 86,31544.7% | 1,8641.0% | 192,936 |
| Glenn County | Reagan, Ronald+3,532 | 6,02069.7% | 2,48828.8% | 1241.4% | 8,632 |
| Humboldt County | Reagan, Ronald+2,615 | 27,83251.6% | 25,21746.8% | 8421.6% | 53,891 |
| Imperial County | Reagan, Ronald+5,592 | 13,82962.0% | 8,23736.9% | 2351.1% | 22,301 |
| Inyo County | Reagan, Ronald+3,503 | 5,86370.3% | 2,36028.3% | 1151.4% | 8,338 |
| Kern County | Reagan, Ronald+45,209 | 94,77665.0% | 49,56734.0% | 1,4011.0% | 145,744 |
| Kings County | Reagan, Ronald+6,040 | 13,36464.1% | 7,32435.1% | 1600.8% | 20,848 |
| Lake County | Reagan, Ronald+2,226 | 10,87454.8% | 8,64843.6% | 3091.6% | 19,831 |
| Lassen County | Reagan, Ronald+2,098 | 5,35261.1% | 3,25437.1% | 1551.8% | 8,761 |
| Los Angeles County | Reagan, Ronald+265,201 | 1,424,11354.5% | 1,158,91244.4% | 29,8891.1% | 2,612,914 |
| Madera County | Reagan, Ronald+4,960 | 13,95460.0% | 8,99438.7% | 2931.3% | 23,241 |
| Marin County | Mondale, Walter+646 | 56,88749.0% | 57,53349.6% | 1,6301.4% | 116,050 |
| Mariposa County | Reagan, Ronald+1,590 | 3,98961.2% | 2,39936.8% | 1302.0% | 6,518 |
| Mendocino County | Reagan, Ronald+1,962 | 16,36952.1% | 14,40745.9% | 6462.1% | 31,422 |
| Merced County | Reagan, Ronald+7,985 | 24,99758.8% | 17,01240.0% | 4681.1% | 42,477 |
| Modoc County | Reagan, Ronald+1,776 | 2,99569.5% | 1,21928.3% | 962.2% | 4,310 |
| Mono County | Reagan, Ronald+1,697 | 2,65972.3% | 96226.2% | 561.5% | 3,677 |
| Monterey County | Reagan, Ronald+14,977 | 55,71057.2% | 40,73341.8% | 1,0271.1% | 97,470 |
| Napa County | Reagan, Ronald+7,723 | 26,32257.8% | 18,59940.8% | 6401.4% | 45,561 |
| Nevada County | Reagan, Ronald+8,611 | 19,80962.4% | 11,19835.2% | 7612.4% | 31,768 |
| Orange County | Reagan, Ronald+428,741 | 635,01374.7% | 206,27224.3% | 8,7921.0% | 850,077 |
| Placer County | Reagan, Ronald+16,741 | 38,03562.9% | 21,29435.2% | 1,0981.8% | 60,427 |
| Plumas County | Reagan, Ronald+1,387 | 5,22456.6% | 3,83741.6% | 1671.8% | 9,228 |
| Riverside County | Reagan, Ronald+80,281 | 182,32463.5% | 102,04335.5% | 2,8351.0% | 287,202 |
| Sacramento County | Reagan, Ronald+45,794 | 204,92255.6% | 159,12843.1% | 4,7911.3% | 368,841 |
| San Benito County | Reagan, Ronald+2,141 | 5,69560.7% | 3,55437.9% | 1311.4% | 9,380 |
| San Bernardino County | Reagan, Ronald+105,617 | 222,07164.8% | 116,45434.0% | 4,1801.2% | 342,705 |
| San Diego County | Reagan, Ronald+245,315 | 502,34465.3% | 257,02933.4% | 9,8941.3% | 769,267 |
| San Francisco County | Mondale, Walter+103,059 | 90,21931.4% | 193,27867.4% | 3,4751.2% | 286,972 |
| San Joaquin County | Reagan, Ronald+27,949 | 81,79559.6% | 53,84639.2% | 1,5721.1% | 137,213 |
| San Luis Obispo County | Reagan, Ronald+22,089 | 49,03563.7% | 26,94635.0% | 9691.3% | 76,950 |
| San Mateo County | Reagan, Ronald+12,917 | 135,18551.9% | 122,26846.9% | 3,1781.2% | 260,631 |
| Santa Barbara County | Reagan, Ronald+38,071 | 89,31462.8% | 51,24336.0% | 1,7631.2% | 142,320 |
| Santa Clara County | Reagan, Ronald+58,773 | 288,63854.8% | 229,86543.6% | 8,1361.5% | 526,639 |
| Santa Cruz County | Mondale, Walter+7,439 | 41,65245.2% | 49,09153.3% | 1,4041.5% | 92,147 |
| Shasta County | Reagan, Ronald+13,743 | 33,04162.2% | 19,29836.3% | 7881.5% | 53,127 |
| Sierra County | Reagan, Ronald+297 | 1,07856.9% | 78141.2% | 372.0% | 1,896 |
| Siskiyou County | Reagan, Ronald+3,414 | 10,54458.3% | 7,13039.4% | 4272.4% | 18,101 |
| Solano County | Reagan, Ronald+9,696 | 51,67854.5% | 41,98244.3% | 1,1381.2% | 94,798 |
| Sonoma County | Reagan, Ronald+5,152 | 76,44751.1% | 71,29547.6% | 1,9151.3% | 149,657 |
| Stanislaus County | Reagan, Ronald+18,206 | 55,66559.2% | 37,45939.9% | 8610.9% | 93,985 |
| Sutter County | Reagan, Ronald+8,942 | 14,47771.2% | 5,53527.2% | 3111.5% | 20,323 |
| Tehama County | Reagan, Ronald+5,059 | 11,58662.8% | 6,52735.4% | 3421.9% | 18,455 |
| Trinity County | Reagan, Ronald+1,326 | 3,54459.7% | 2,21837.4% | 1732.9% | 5,935 |
| Tulare County | Reagan, Ronald+23,001 | 51,06663.9% | 28,06535.1% | 8121.0% | 79,943 |
| Tuolumne County | Reagan, Ronald+3,202 | 10,48558.1% | 7,28340.3% | 2831.6% | 18,051 |
| Ventura County | Reagan, Ronald+84,833 | 151,38368.7% | 66,55030.2% | 2,5291.1% | 220,462 |
| Yolo County | Mondale, Walter+1,550 | 24,32947.8% | 25,87950.9% | 6451.3% | 50,853 |
| Yuba County | Reagan, Ronald+4,441 | 9,78063.5% | 5,33934.7% | 2781.8% | 15,397 |
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% |
Same ballot, 1984CA
Source. MIT Election Data + Science Lab — 1984 presidential returns · official county-level results. Real returns — nothing estimated.