Racial and ethnic composition 2020 census As of the
2020 census, the county had a population of 388,656. The median age was 37.6 years, with 23.4% of residents under the age of 18 and 14.1% of residents aged 65 years or older. For every 100 females there were 93.6 males, and for every 100 females age 18 and over there were 90.3 males age 18 and over. There were 130,574 households in the county, of which 38.4% had children under the age of 18 living in them. Of all households, 51.0% were married-couple households, 14.9% were households with a male householder and no spouse or partner present, and 25.9% were households with a female householder and no spouse or partner present. About 17.6% of all households were made up of individuals and 6.9% had someone living alone who was 65 years of age or older. The majority of Hispanics/Latinos in the county are Puerto Ricans, who account for an estimated 33.7% of the population and are the largest ancestral group in the county. The racial makeup of the county was 40.6%
White, 10.5%
Black or African American, 0.6%
American Indian and Alaska Native, 3.0%
Asian, 0.1%
Native Hawaiian and
Pacific Islander, 20.1% from some other race, and 25.1% from
two or more races.
Hispanic or Latino residents of any race comprised 54.3% of the population. 93.7% of residents lived in urban areas, while 6.3% lived in rural areas. There were 154,680 housing units, of which 15.6% were vacant. Among occupied housing units, 62.5% were owner-occupied and 37.5% were renter-occupied. The homeowner vacancy rate was 2.6% and the rental vacancy rate was 11.6%.
2010 census As of the
2010 census, there were 111,539 households; 57% were married couples living together, 23% had a female householder with no spouse present, 7% had a male householder with no spouse present, and 13% were non-families. The average household size was 3.4 persons per household. In the county, the population was spread out, with 12% being 0 to 9 years old, 15% 10 to 19, 14% 20 to 29, 15% from 30 to 39, 13% from 40 to 49, 11% 50 to 59, and 19% who were 60 years of age or older. The median age was 36 years. For every 100 females, there were 97.20 males. For every 100 females age 18 and over, there were 94.20 males. The median income for a household in the county was $52,279. The
per capita income for the county was $22,196. About 13.4% of the population were below the
poverty line, including 18.00% of those under age 18 and 10.00% of those age 65 or over. ==Education==