Walnut, CA Demographics

A map of Walnut's Population by Race

Walnut, California has an estimated population of 27,611, a slight decrease from the 28,430 recorded in the 2020 Census. The population is 68.7% Asian, 17.2% Hispanic, 9.1% White, 1.9% Black, 1.9% Multiracial, and 1.1% Native American/Other. This demographic dot map shows the population of Walnut, with one dot drawn for each person counted by the Census, color-coded by race.

Walnut has become less 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 Walnut, that probability was 50.6% in 2020 and 48.9% in the most recent ACS estimates.

Walnut is ranked the 281st 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). Walnut was ranked the 277th most populous place in the 2020 Census.

Walnut's White Population

2,518 residents of Walnut, or 9.1% of the population, identify as White. The share of White residents in Walnut is significantly lower than in California overall, where 33.8% of the population is White. Walnut ranks 1451st statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Walnut's White population has declined by an estimated 2.7%. White residents' share of Walnut's population has remained roughly unchanged at 9.1%.

Walnut is more White than neighboring South San Jose Hills (2.8% White). Walnut is less White than neighboring Diamond Bar (11.8% White), West Covina (9.5% White), Covina (19.2% White), and Charter Oak (21.6% White).

Walnut's Black Population

527 residents of Walnut, or 1.9% of the population, identify as Black. The share of Black residents in Walnut is slightly lower than in California overall, where 5.2% of the population is Black. Walnut ranks 379th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Walnut's Black population has declined by an estimated 22.0%. Black residents' share of Walnut's population has decreased from 2.4% to 1.9%.

Walnut is more Black than neighboring South San Jose Hills (1.2% Black). Walnut is less Black than neighboring Diamond Bar (3% Black), West Covina (3.8% Black), Covina (4.2% Black), and Charter Oak (8.5% Black).

Walnut's Asian Population

18,982 residents of Walnut, or 68.7% of the population, identify as Asian. The share of Asian residents in Walnut is significantly higher than in California overall, where 15.3% of the population is Asian. Walnut ranks 3rd statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Walnut's Asian population has remained roughly the same. Asian residents' share of Walnut's population has increased from 67.1% to 68.7%.

Walnut is more Asian than neighboring South San Jose Hills (11% Asian), Diamond Bar (62.4% Asian), West Covina (30.7% Asian), Covina (13.4% Asian), and Charter Oak (14.3% Asian).

Walnut's Hispanic Population

4,762 residents of Walnut, or 17.2% of the population, identify as Hispanic. The share of Hispanic residents in Walnut is significantly lower than in California overall, where 40.2% of the population is Hispanic. Walnut ranks 909th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Walnut's Hispanic population has declined by an estimated 10.6%. Hispanic residents' share of Walnut's population has decreased from 18.7% to 17.2%.

Walnut is less Hispanic than neighboring South San Jose Hills (84.6% Hispanic), Diamond Bar (17.4% Hispanic), West Covina (53.2% Hispanic), Covina (59.4% Hispanic), and Charter Oak (52.1% Hispanic).

Walnut's Native American/Other Population

299 residents of Walnut, 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 Walnut is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Walnut ranks 1428th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Walnut's Native American/Other population has grown by an estimated 115.1%. Native American/Other residents' share of Walnut's population has increased from 0.5% to 1.1%.

Walnut is more Native American/Other than neighboring South San Jose Hills (0.1% Native American/Other), and Charter Oak (0.5% Native American/Other). Walnut is less Native American/Other than neighboring Diamond Bar (1.3% Native American/Other), West Covina (1.2% Native American/Other), and Covina (1.4% Native American/Other).

Walnut's Multiracial Population

523 residents of Walnut, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Walnut is slightly lower than in California overall, where 4.4% of the population is Multiracial. Walnut ranks 1289th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Walnut's Multiracial population has declined by an estimated 18.2%. Multiracial residents' share of Walnut's population has remained roughly unchanged at 1.9%.

Walnut is more Multiracial than neighboring South San Jose Hills (0.3% Multiracial), and West Covina (1.5% Multiracial). Walnut is less Multiracial than neighboring Diamond Bar (4% Multiracial), Covina (2.4% Multiracial), and Charter Oak (3.1% 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.