Election Results

Contra Costa, California

Chart:
Year Democrat Republican Other
2000 224,338 58.8% 141,373 37.1% 15,767 4.1%
2004 257,254 62.4% 150,608 36.5% 4,277 1.0%
2008 306,983 68.0% 136,436 30.2% 8,231 1.8%
2012 290,824 66.4% 136,517 31.2% 10,885 2.5%
2016 319,287 68.5% 115,956 24.9% 30,932 6.6%
2020 416,386 71.6% 152,877 26.3% 11,967 2.1%

Sources