Aliso Viejo, CA Demographics

A map of Aliso Viejo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	27,913	29,044	54.6%	55.7%
Hispanic	9,806	9,836	19.2%	18.9%
Asian	8,429	8,509	16.5%	16.3%
Multiracial	3,774	3,312	7.4%	6.3%
Black	997	949	2.0%	1.8%
Native American/Other	194	526	0.4%	1.0%

Aliso Viejo, California has an estimated population of 51,113, a slight decrease from the 52,176 recorded in the 2020 Census. The population is 54.6% White, 19.2% Hispanic, 16.5% Asian, 7.4% Multiracial, 2.0% Black, and 0.4% Native American/Other. This demographic dot map shows the population of Aliso Viejo, with one dot drawn for each person counted by the Census, color-coded by race.

Aliso Viejo has become slightly 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 Aliso Viejo, that probability was 62.4% in 2020 and 63.2% in the most recent ACS estimates.

Aliso Viejo is ranked the 184th 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). Aliso Viejo was ranked the 181st most populous place in the 2020 Census.

Aliso Viejo's White Population

27,913 residents of Aliso Viejo, or 54.6% of the population, identify as White. The share of White residents in Aliso Viejo is significantly higher than in California overall, where 33.8% of the population is White. Aliso Viejo ranks 851st statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Aliso Viejo's White population has declined by an estimated 3.9%. White residents' share of Aliso Viejo's population has decreased from 55.7% to 54.6%.

Aliso Viejo is more White than neighboring Laguna Hills (52.8% White). Aliso Viejo is less White than neighboring Laguna Woods (67.4% White), Laguna Beach (78.8% White), Laguna Niguel (65% White), and Mission Viejo (59.1% White).

Aliso Viejo's Black Population

997 residents of Aliso Viejo, or 2.0% of the population, identify as Black. The share of Black residents in Aliso Viejo is slightly lower than in California overall, where 5.2% of the population is Black. Aliso Viejo ranks 470th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Aliso Viejo's Black population has grown by an estimated 5.1%. Black residents' share of Aliso Viejo's population has remained roughly unchanged at 2.0%.

Aliso Viejo is more Black than neighboring Laguna Woods (0.6% Black), Laguna Hills (0.9% Black), Laguna Beach (0.6% Black), Laguna Niguel (1.1% Black), and Mission Viejo (1% Black).

Aliso Viejo's Asian Population

8,429 residents of Aliso Viejo, or 16.5% of the population, identify as Asian. The share of Asian residents in Aliso Viejo is comparable to the share in California overall, where 15.3% of the population is Asian. Aliso Viejo ranks 175th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Aliso Viejo's Asian population has remained roughly the same. Asian residents' share of Aliso Viejo's population has remained roughly unchanged at 16.5%.

Aliso Viejo is more Asian than neighboring Laguna Hills (16% Asian), Laguna Beach (3.9% Asian), Laguna Niguel (11.3% Asian), and Mission Viejo (14.2% Asian). Aliso Viejo is less Asian than neighboring Laguna Woods (22.8% Asian).

Aliso Viejo's Hispanic Population

9,806 residents of Aliso Viejo, or 19.2% of the population, identify as Hispanic. The share of Hispanic residents in Aliso Viejo is significantly lower than in California overall, where 40.2% of the population is Hispanic. Aliso Viejo ranks 903rd statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Aliso Viejo's Hispanic population has remained roughly the same. Hispanic residents' share of Aliso Viejo's population has remained roughly unchanged at 19.2%.

Aliso Viejo is more Hispanic than neighboring Laguna Woods (5.9% Hispanic), Laguna Beach (9.6% Hispanic), and Laguna Niguel (14.7% Hispanic). Aliso Viejo is less Hispanic than neighboring Laguna Hills (23% Hispanic), and Mission Viejo (20% Hispanic).

Aliso Viejo's Native American/Other Population

194 residents of Aliso Viejo, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Aliso Viejo is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Aliso Viejo ranks 1016th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Aliso Viejo's Native American/Other population has declined by an estimated 63.1%. Native American/Other residents' share of Aliso Viejo's population has decreased from 1.0% to 0.4%.

Aliso Viejo is more Native American/Other than neighboring Mission Viejo (0.3% Native American/Other). Aliso Viejo is less Native American/Other than neighboring Laguna Woods (1.1% Native American/Other), Laguna Hills (0.5% Native American/Other), Laguna Beach (1.2% Native American/Other), and Laguna Niguel (1.1% Native American/Other).

Aliso Viejo's Multiracial Population

3,774 residents of Aliso Viejo, or 7.4% of the population, identify as Multiracial. The share of Multiracial residents in Aliso Viejo is slightly higher than in California overall, where 4.4% of the population is Multiracial. Aliso Viejo ranks 392nd statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Aliso Viejo's Multiracial population has grown by an estimated 13.9%. Multiracial residents' share of Aliso Viejo's population has increased from 6.3% to 7.4%.

Aliso Viejo is more Multiracial than neighboring Laguna Woods (2.1% Multiracial), Laguna Hills (6.8% Multiracial), Laguna Beach (5.9% Multiracial), Laguna Niguel (6.9% Multiracial), and Mission Viejo (5.4% 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.