Portola Hills first appeared as a
census designated place in the
2000 U.S. census; of 2000, there were 6,391 people, 2,164 households, and 1,729 families residing in the CDP. The population density was . There were 2,181 housing units at an average density of . The racial makeup of the CDP was 84.60%
White, 1.63%
African American, 0.30%
Native American, 6.76%
Asian, 0.13%
Pacific Islander, 2.64% from
other races, and 3.94% from two or more races.
Hispanic or
Latino of any race were 10.03% of the population. There were 2,164 households, out of which 52.4% had children under the age of 18 living with them, 69.4% were married couples living together, 8.1% had a female householder with no husband present, and 20.1% were non-families. 14.0% of all households were made up of individuals, and 1.4% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 3.30. In the CDP, the age distribution of the population shows 32.9% under the age of 18, 4.9% from 18 to 24, 41.4% from 25 to 44, 18.0% from 45 to 64, and 2.9% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 97.4 males. For every 100 females age 18 and over, there were 92.2 males. Estimated median household income in 2016: $126,434 (it was $90,874 in 2000) Estimated per capita income in 2016: $50,437 (it was $34,057 in 2000) ==Politics==