2020 census As of the
2020 census, the county had a population of 473,117 and a median age of 32.3 years; 30.0% of residents were under the age of 18 and 12.2% were 65 years of age or older. For every 100 females there were 98.4 males, and for every 100 females age 18 and over there were 96.5 males. The racial makeup was 39.4% White, 1.4%
Black or African American, 2.2%
American Indian and Alaska Native, 3.6%
Asian, 0.2%
Native Hawaiian and
Pacific Islander, 34.9% from some other race, and 18.3% from
two or more races;
Hispanic or Latino residents of any race comprised 65.5% of the population. According to
Census 2020, 3.7% of residents reported German ancestry, 3.2% English, 2.8% Irish, 2.4% Portuguese, and 2.3% American, while 48.7% spoke English, 47.4% Spanish, and 1.0%
Indo-European languages as their first language. 79.9% of residents lived in urban areas, while 20.1% lived in rural areas. There were 141,987
households, of which 45.9% had children under the age of 18 living with them, 24.6% had a female householder with no spouse or partner present, 16.8% of households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older. Of all households, 52.5% were married couples living together, 15.2% had a male householder with no spouse present, 20.8% were non-families, and the average household and family sizes were 3.20 and 3.57 respectively. The median income for a household in the county was $57,692, and the median income for a family was $53,330. The
per capita income for the county was $23,096. About 18.8% of the population were below the
poverty line, including 26.0% of those under age 18 and 13.8% of those age 65 or over.
2000 Census As of the
census of 2000, there were 368,021 people, 110,385 households, and 87,093 families residing in the county. The
population density was . There were 119,639 housing units at an average density of . The racial makeup of the county was 58.1%
White, 1.6%
Black or
African American, 1.6%
Native American, 3.3%
Asian, 0.1%
Pacific Islander, 30.8% from
other races, and 4.6% from two or more races. 50.8% of the population were
Hispanic or
Latino of any race. 6.2% were of
American, 5.7%
German and 5.0%
English ancestry according to
Census 2000. 56.3% spoke
English, 38.9%
Spanish and 1.1%
Portuguese as their first language. There were 110,385 households, out of which 44.9% had children under the age of 18 living with them, 58.1% were
married couples living together, 14.5% had a female householder with no husband present, and 21.1% were non-families. 17.1% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older. The average household size was 3.28 and the average family size was 3.67. In the county, the population was spread out, with 33.8% under the age of 18, 10.6% from 18 to 24, 27.6% from 25 to 44, 18.2% from 45 to 64, and 9.8% who were 65 years of age or older. The median age was 29 years. For every 100 females there were 100.0 males. For every 100 females age 18 and over, there were 97.7 males. The median income for a household in the county was $33,983, and the median income for a family was $36,297. Males had a median income of $30,892 versus $24,589 for females. The
per capita income for the county was $14,006. About 18.8% of families and 23.9% of the population were below the
poverty line, including 32.6% of those under age 18 and 10.5% of those age 65 or over. ==Metropolitan Statistical Area==