Fullerton, CA Demographics

A map of Fullerton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	56,779	54,225	40.3%	37.8%
White	41,468	42,150	29.4%	29.3%
Asian	34,646	37,913	24.6%	26.4%
Multiracial	4,616	5,111	3.3%	3.6%
Black	2,511	2,972	1.8%	2.1%
Native American/Other	948	1,246	0.7%	0.9%

Fullerton, California has an estimated population of 140,968, a slight decrease from the 143,617 recorded in the 2020 Census. The population is 40.3% Hispanic, 29.4% White, 24.6% Asian, 3.3% Multiracial, 1.8% Black, and 0.7% Native American/Other. This demographic dot map shows the population of Fullerton, with one dot drawn for each person counted by the Census, color-coded by race.

Fullerton has become less racially diverse since the 2020 Census. It is slightly 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 Fullerton, that probability was 70.0% in 2020 and 68.9% in the most recent ACS estimates.

Fullerton is ranked the 42nd 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). Fullerton was ranked the 41st most populous place in the 2020 Census.

Fullerton's White Population

41,468 residents of Fullerton, or 29.4% of the population, identify as White. The share of White residents in Fullerton is slightly lower than in California overall, where 33.8% of the population is White. Fullerton ranks 1187th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Fullerton's White population has declined by an estimated 1.6%. White residents' share of Fullerton's population has remained roughly unchanged at 29.4%.

Fullerton is more White than neighboring La Habra (22.2% White), and East Whittier (25% White). Fullerton is less White than neighboring Placentia (36.6% White), Brea (35.4% White), and La Habra Heights (44.4% White).

Fullerton's Black Population

2,511 residents of Fullerton, or 1.8% of the population, identify as Black. The share of Black residents in Fullerton is slightly lower than in California overall, where 5.2% of the population is Black. Fullerton ranks 428th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Fullerton's Black population has declined by an estimated 15.5%. Black residents' share of Fullerton's population has remained roughly unchanged at 1.8%.

Fullerton is more Black than neighboring Brea (1.6% Black), and La Habra Heights (1.4% Black). Fullerton is less Black than neighboring La Habra (2% Black), Placentia (2.1% Black), and East Whittier (3.9% Black).

Fullerton's Asian Population

34,646 residents of Fullerton, or 24.6% of the population, identify as Asian. The share of Asian residents in Fullerton is higher than in California overall, where 15.3% of the population is Asian. Fullerton ranks 96th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Fullerton's Asian population has declined by an estimated 8.6%. Asian residents' share of Fullerton's population has decreased from 26.4% to 24.6%.

Fullerton is more Asian than neighboring La Habra (13.6% Asian), Placentia (18.4% Asian), East Whittier (9% Asian), and La Habra Heights (20.1% Asian). Fullerton is less Asian than neighboring Brea (27.7% Asian).

Fullerton's Hispanic Population

56,779 residents of Fullerton, or 40.3% of the population, identify as Hispanic. The share of Hispanic residents in Fullerton is comparable to the share in California overall, where 40.2% of the population is Hispanic. Fullerton ranks 512th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Fullerton's Hispanic population has grown by an estimated 4.7%. Hispanic residents' share of Fullerton's population has increased from 37.8% to 40.3%.

Fullerton is more Hispanic than neighboring Placentia (37.9% Hispanic), Brea (29.9% Hispanic), and La Habra Heights (19.4% Hispanic). Fullerton is less Hispanic than neighboring La Habra (59.2% Hispanic), and East Whittier (57% Hispanic).

Fullerton's Native American/Other Population

948 residents of Fullerton, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fullerton is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Fullerton ranks 1151st statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Fullerton's Native American/Other population has declined by an estimated 23.9%. Native American/Other residents' share of Fullerton's population has remained roughly unchanged at 0.7%.

Fullerton is more Native American/Other than neighboring La Habra (0.5% Native American/Other), and Brea (0.5% Native American/Other). Fullerton is less Native American/Other than neighboring Placentia (0.8% Native American/Other), East Whittier (2.4% Native American/Other), and La Habra Heights (7% Native American/Other).

Fullerton's Multiracial Population

4,616 residents of Fullerton, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Fullerton is comparable to the share in California overall, where 4.4% of the population is Multiracial. Fullerton ranks 1081st statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Fullerton's Multiracial population has declined by an estimated 9.7%. Multiracial residents' share of Fullerton's population has remained roughly unchanged at 3.3%.

Fullerton is more Multiracial than neighboring La Habra (2.4% Multiracial), and East Whittier (2.7% Multiracial). Fullerton is less Multiracial than neighboring Placentia (4.3% Multiracial), Brea (4.9% Multiracial), and La Habra Heights (7.7% 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.