Portola Valley, CA Demographics

A map of Portola Valley's Population by Race

Portola Valley, California has an estimated population of 4,305, a decrease from the 4,456 recorded in the 2020 Census. The population is 74.4% White, 10.0% Hispanic, 9.8% Asian, 4.5% Multiracial, 1.1% Native American/Other, and 0.2% Black. This demographic dot map shows the population of Portola Valley, with one dot drawn for each person counted by the Census, color-coded by race.

Portola Valley has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Portola Valley, that probability was 35.5% in 2020 and 42.5% in the most recent ACS estimates.

Portola Valley is ranked the 692nd most populous place in California, out of 1,618 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Portola Valley was ranked the 689th most populous place in the 2020 Census.

Portola Valley's White Population

3,203 residents of Portola Valley, or 74.4% of the population, identify as White. The share of White residents in Portola Valley is significantly higher than in California overall, where 33.8% of the population is White. Portola Valley ranks 255th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Portola Valley's White population has declined by an estimated 9.6%. White residents' share of Portola Valley's population has decreased from 79.5% to 74.4%.

Portola Valley is more White than neighboring West Menlo Park (66.3% White), La Honda (69.2% White), and Stanford (43.8% White). Portola Valley is less White than neighboring Ladera (83.1% White), and Woodside (81.3% White).

Portola Valley's Black Population

8 residents of Portola Valley, or 0.2% of the population, identify as Black. The share of Black residents in Portola Valley is slightly lower than in California overall, where 5.2% of the population is Black. Portola Valley ranks 1258th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Portola Valley's Black population has declined by an estimated 27.3%. Black residents' share of Portola Valley's population has remained roughly unchanged at 0.2%.

Portola Valley is more Black than neighboring Ladera (0% Black), Woodside (0% Black), West Menlo Park (0.1% Black), and La Honda (0% Black). Portola Valley is less Black than neighboring Stanford (3.9% Black).

Portola Valley's Asian Population

422 residents of Portola Valley, or 9.8% of the population, identify as Asian. The share of Asian residents in Portola Valley is lower than in California overall, where 15.3% of the population is Asian. Portola Valley ranks 367th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Portola Valley's Asian population has grown by an estimated 23.4%. Asian residents' share of Portola Valley's population has increased from 7.7% to 9.8%.

Portola Valley is more Asian than neighboring Ladera (7.1% Asian), Woodside (6.5% Asian), and La Honda (8.3% Asian). Portola Valley is less Asian than neighboring West Menlo Park (18.7% Asian), and Stanford (28.3% Asian).

Portola Valley's Hispanic Population

431 residents of Portola Valley, or 10.0% of the population, identify as Hispanic. The share of Hispanic residents in Portola Valley is significantly lower than in California overall, where 40.2% of the population is Hispanic. Portola Valley ranks 1529th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Portola Valley's Hispanic population has grown by an estimated 87.4%. Hispanic residents' share of Portola Valley's population has increased from 5.2% to 10.0%.

Portola Valley is more Hispanic than neighboring Ladera (1.5% Hispanic), Woodside (6.4% Hispanic), West Menlo Park (7.1% Hispanic), and La Honda (2% Hispanic). Portola Valley is less Hispanic than neighboring Stanford (15.6% Hispanic).

Portola Valley's Native American/Other Population

48 residents of Portola Valley, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Portola Valley is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Portola Valley ranks 1417th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Portola Valley's Native American/Other population has grown by an estimated 108.7%. Native American/Other residents' share of Portola Valley's population has increased from 0.5% to 1.1%.

Portola Valley is more Native American/Other than neighboring Ladera (0% Native American/Other), Woodside (0.2% Native American/Other), and West Menlo Park (0.1% Native American/Other). Portola Valley is less Native American/Other than neighboring La Honda (7.3% Native American/Other), and Stanford (1.3% Native American/Other).

Portola Valley's Multiracial Population

193 residents of Portola Valley, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Portola Valley is comparable to the share in California overall, where 4.4% of the population is Multiracial. Portola Valley ranks 287th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Portola Valley's Multiracial population has declined by an estimated 37.3%. Multiracial residents' share of Portola Valley's population has decreased from 6.9% to 4.5%.

Portola Valley is less Multiracial than neighboring Ladera (8.2% Multiracial), Woodside (5.6% Multiracial), West Menlo Park (7.8% Multiracial), La Honda (13.2% Multiracial), and Stanford (7.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.