Racial and ethnic composition 2020 census As of the
2020 census, there were 14,534 people and 3,821 families residing in the CDP. The
population density was . There were 5,094 housing units at an average density of . There were 4,967 households in Elk Plain, of which 35.1% had children under the age of 18 living in them. Of all households, 57.1% were married-couple households, 16.4% were households with a male householder and no spouse or partner present, and 17.7% were households with a female householder and no spouse or partner present. About 16.3% of all households were made up of individuals and 6.3% had someone living alone who was 65 years of age or older. Of all housing units, 2.5% were vacant. The homeowner vacancy rate was 0.8% and the rental vacancy rate was 3.1%.
2010 census As of the
2010 census, there were 14,205 people, 4,707 households, and 3,759 families residing in the CDP. The population density was . There were 4,929 housing units at an average density of . The racial makeup of the CDP was 78.67%
White, 4.60%
African American, 1.25%
Native American, 3.58%
Asian, 2.37%
Pacific Islander, 1.94% from some other races and 7.60% from two or more races.
Hispanic or Latino people of any race were 6.94% of the population. 27.4% of residents were under the age of 18, 6.4% were under 5 years of age, and 7.9% were 65 and older. The gender makeup of the CDP was 35.7% female.
2000 census As of the
2000 census, there were 15,697 people, 4,990 households, and 4,166 families residing in the CDP. The population density was . There were 5,211 housing units at an average density of . The racial makeup of the CDP was 80.57%
White, 5.40%
African American, 1.23%
Native American, 4.05%
Asian, 1.37%
Pacific Islander, 1.48% from
other races, and 5.89% from two or more races.
Hispanic or Latino people of any race were 4.73% of the population. There were 4,990 households, out of which 48.8% had children under the age of 18 living with them, 66.9% were
married couples living together, 10.5% had a female householder with no husband present, and 16.5% were non-families. 12.1% of all households were made up of individuals, and 2.6% had someone living alone who was 65 years of age or older. The average household size was 3.12 and the average family size was 3.34. In the CDP, the population was spread out, with 32.9% under the age of 18, 7.7% from 18 to 24, 34.0% from 25 to 44, 20.0% from 45 to 64, and 5.4% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 101.9 males. For every 100 females age 18 and over, there were 101.3 males. The median income for a household in the CDP was $54,400, and the median income for a family was $57,004. Males had a median income of $39,242 versus $26,105 for females. The
per capita income for the CDP was $19,547. About 5.5% of families and 7.8% of the population were below the
poverty line, including 10.1% of those under age 18 and 0.4% of those age 65 or over. ==Education==