Clear 1 Table. Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants. The development of commuter railroads proceeded together with the subdivision of farms into parcels. All residents that were not homeless, seeking emergency or health relief, or getting essential products such as food, and were found outside were committing misdemeanors pursuant to the order. The race least likely to be in poverty in Contra Costa County, California is White, with 5.57% below the poverty level. [citation needed]. There has recently been a housing boom or tract housing in Richmond and also in the Hercules areas. The road was just wide enough for one car in each direction, and had no shoulders. Since 1932, Contra Costa County has been a Democratic stronghold in presidential elections, though it did experience a temporary Republican trend in the 1970s and 1980s, with successive wins by Richard Nixon in 1972, Gerald Ford in 1976, and Ronald Reagan in 1980 and 1984, the last Republican presidential candidate to win the county. During the real estate boom, the high price of homes and scarcity of land resulted in many speculators purchasing older, smaller homes and partially or completely tearing them down to construct larger homes. Images, from left to right: Contra Costa County courthouse, California's location in the United States, Places adjacent to Contra Costa County, California, Cities by population and voter registration, Cities by population and crime rates (2012). The great rancheros of the Spanish period were divided and sold for agricultural uses, with intensively irrigated farming made possible in some areas by the development of canals that brought water from the eastern riverside portions of the county to the central portion. [47] The publisher also issues weekly local papers, such as the Concord Transcript, which is the local paper for Concord and nearby Clayton. The Calaveras Fault runs in the south-central portion of the county, from Alamo to San Ramon. Diablo County, but the name was changed prior to incorporation as a county. However, there may have been human presence far earlier, at least as far as non–settling populations are concerned. Discovery Bay is based on a waterfront community of 3,500+ homes with private docks with access to the Sacramento-San Joaquin River Delta. Population of male led with no wife present: Population female led with no husband present: Population of homes with one or more people under 18 years: Households with no people under 18 years: Population of homes with one or more people 60 years and over: Population of homes with no people 60 years and over: Home does not have three or more generations: Population of male led and male partner homes: Population of male led and female partner households: Population of female led and female partner households: Population of female led and male partner households: Population of male led and female partner homes: Population of female led and female partner homes: Population of female led and male partner homes: No unmarried partner of home lead present: Population of male lead with no wife present, family homes: Population of female lead with no husband present, family homes. Census 2020 California Hard-to-Count Fact Sheet . Percentage of registered voters with respect to total population. Chart. He succeeded. U.S. Census Bureau. Total population Hispanic or Latino of any race Hispanic Exclusive Race: White alone Black or African-American alone American Indian and Alaska Native alone Asian alone Native Hawaiian an d Other Pacific Islander alone