County Obama Votes Romney Votes Others Votes Total
Alameda 78.7% 469,684 18.1% 108,182 3.2% 19,027 596,893
Alpine 59.5% 389 36.1% 236 4.4% 29 654
Amador 38.6% 6,830 58.1% 10,281 3.3% 582 17,693
Butte 46.9% 42,669 48.9% 44,479 4.2% 3,873 91,021
Calaveras 39.7% 8,670 56.5% 12,365 3.8% 827 21,862
Colusa 38.3% 2,314 59.6% 3,601 2.1% 130 6,045
Contra Costa 66.2% 290,824 31.1% 136,517 2.7% 11,804 439,145
Del Norte 43.4% 3,791 52.8% 4,614 3.8% 331 8,736
El Dorado 39.5% 35,166 57.3% 50,973 3.2% 2,859 88,998
Fresno 49.7% 129,129 47.9% 124,490 1.8% 6,078 259,697
Glenn 35.9% 3,301 61.3% 5,632 2.8% 258 9,191
Humboldt 59.7% 34,457 32.6% 18,825 7.7% 4,404 57,686
Imperial 65.2% 25,136 33.2% 12,776 1.6% 620 38,532
Inyo 42.8% 3,422 54.2% 4,340 3.0% 242 8,004
Kern 40.5% 89,495 57.3% 126,618 2.2% 4,900 221,013
Kings 41.4% 12,979 56.4% 17,671 2.2% 701 31,351
Lake 56.4% 13,163 39.5% 9,200 4.1% 955 23,318
Lassen 28.5% 3,053 68.0% 7,296 3.5% 376 10,725
Los Angeles 69.7% 2,216,903 27.8% 885,333 2.5% 77,378 3,179,614
Madera 40.2% 16,018 57.3% 22,852 2.5% 996 39,866
Marin 74.1% 99,896 22.9% 30,880 3.0% 3,955 134,731
Mariposa 39.0% 3,498 57.3% 5,140 3.7% 335 8,973
Mendocino 66.0% 23,193 27.5% 9,658 6.5% 2,286 35,137
Merced 53.0% 33,005 44.3% 27,581 2.7% 1,636 62,222
Modoc 27.7% 1,113 69.1% 2,779 3.2% 130 4,022
Mono 52.9% 2,733 44.2% 2,285 2.9% 150 5,168
Monterey 67.3% 82,918 30.3% 37,389 2.4% 2,959 123,266
Napa 63.1% 35,870 34.3% 19,526 2.6% 1,457 56,853
Nevada 47.7% 24,663 48.4% 24,986 3.9% 2,026 51,675
Orange 45.6% 512,440 51.9% 582,332 2.5% 27,892 1,122,664
Placer 38.9% 66,818 58.2% 99,921 2.9% 4,972 171,711
Plumas 39.9% 4,026 56.8% 5,721 3.3% 333 10,080
Riverside 49.8% 329,063 48.2% 318,127 2.0% 13,425 660,615
Sacramento 58.1% 300,503 39.1% 202,514 2.8% 14,565 517,582
San Benito 59.1% 11,276 38.5% 7,343 2.4% 462 19,081
San Bernardino 52.6% 305,109 45.2% 262,358 2.2% 13,136 580,603
San Diego 52.7% 626,957 45.1% 536,726 2.2% 25,288 1,188,971
San Francisco 83.4% 301,723 13.0% 47,076 3.4% 12,996 361,795
San Joaquin 55.6% 114,121 41.9% 86,071 2.5% 5,172 205,364
San Luis Obispo 48.6% 61,258 47.6% 59,967 3.8% 4,741 125,966
San Mateo 72.1% 206,087 25.4% 72,756 2.5% 6,878 285,721
Santa Barbara 57.4% 94,129 39.4% 64,606 3.2% 5,150 163,885
Santa Clara 70.2% 450,818 27.2% 174,843 2.6% 16,290 641,951
Santa Cruz 75.4% 90,805 20.0% 24,047 4.6% 5,533 120,385
Shasta 33.8% 25,819 62.8% 48,067 3.4% 2,615 76,501
Sierra 36.3% 652 58.7% 1,056 5.0% 90 1,798
Siskiyou 40.2% 8,044 55.4% 11,076 4.4% 870 19,990
Solano 63.3% 96,783 34.1% 52,092 2.6% 3,965 152,840
Sonoma 71.0% 153,942 25.3% 54,784 3.2% 8,139 216,865
Stanislaus 49.9% 77,724 47.1% 73,459 3.0% 4,633 155,816
Sutter 39.2% 12,192 58.3% 18,122 2.5% 769 31,083
Tehama 34.4% 7,934 61.8% 14,235 3.8% 874 23,043
Trinity 46.6% 2,674 47.3% 2,716 6.1% 349 5,739
Tulare 41.2% 41,752 56.2% 56,956 2.6% 2,571 101,279
Tuolumne 40.4% 9,998 56.0% 13,880 3.6% 880 24,758
Ventura 52.2% 170,929 45.1% 147,958 2.7% 8,825 327,712
Yolo 65.4% 48,715 31.4% 23,368 3.2% 2,392 74,475
Yuba 39.3% 7,711 57.4% 11,275 3.3% 660 19,646