Los Osos, CA Demographics

A map of Los Osos's Population by Race

Los Osos, California has an estimated population of 14,166, a slight decrease from the 14,465 recorded in the 2020 Census. The population is 75.2% White, 15.1% Hispanic, 4.5% Multiracial, 3.8% Asian, 0.8% Native American/Other, and 0.6% Black. This demographic dot map shows the population of Los Osos, with one dot drawn for each person counted by the Census, color-coded by race.

Los Osos 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 Los Osos, that probability was 44.7% in 2020 and 40.8% in the most recent ACS estimates.

Los Osos is ranked the 414th 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). Los Osos was ranked the 412th most populous place in the 2020 Census.

Los Osos's White Population

10,657 residents of Los Osos, or 75.2% of the population, identify as White. The share of White residents in Los Osos is significantly higher than in California overall, where 33.8% of the population is White. Los Osos ranks 509th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Osos's White population has grown by an estimated 1.9%. White residents' share of Los Osos's population has increased from 72.3% to 75.2%.

Los Osos is more White than neighboring California Polytechnic State University (52.2% White), and San Luis Obispo (69.1% White). Los Osos is less White than neighboring Morro Bay (77.7% White), Cayucos (82.6% White), and Avila Beach (86.2% White).

Los Osos's Black Population

86 residents of Los Osos, or 0.6% of the population, identify as Black. The share of Black residents in Los Osos is slightly lower than in California overall, where 5.2% of the population is Black. Los Osos ranks 1008th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Osos's Black population has grown by an estimated 6.2%. Black residents' share of Los Osos's population has remained roughly unchanged at 0.6%.

Los Osos is more Black than neighboring Morro Bay (0.4% Black), Cayucos (0% Black), and Avila Beach (0% Black). Los Osos is less Black than neighboring California Polytechnic State University (1.2% Black), and San Luis Obispo (1.2% Black).

Los Osos's Asian Population

539 residents of Los Osos, or 3.8% of the population, identify as Asian. The share of Asian residents in Los Osos is considerably lower than in California overall, where 15.3% of the population is Asian. Los Osos ranks 471st statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Osos's Asian population has declined by an estimated 26.8%. Asian residents' share of Los Osos's population has decreased from 5.1% to 3.8%.

Los Osos is more Asian than neighboring Morro Bay (2.8% Asian), Cayucos (1.6% Asian), and Avila Beach (0% Asian). Los Osos is less Asian than neighboring California Polytechnic State University (15.2% Asian), and San Luis Obispo (5.3% Asian).

Los Osos's Hispanic Population

2,143 residents of Los Osos, or 15.1% of the population, identify as Hispanic. The share of Hispanic residents in Los Osos is significantly lower than in California overall, where 40.2% of the population is Hispanic. Los Osos ranks 1009th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Osos's Hispanic population has declined by an estimated 6.4%. Hispanic residents' share of Los Osos's population has decreased from 15.8% to 15.1%.

Los Osos is more Hispanic than neighboring Morro Bay (13.5% Hispanic), Cayucos (10.1% Hispanic), and Avila Beach (9.9% Hispanic). Los Osos is less Hispanic than neighboring California Polytechnic State University (23.8% Hispanic), and San Luis Obispo (18.4% Hispanic).

Los Osos's Native American/Other Population

110 residents of Los Osos, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Los Osos is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Los Osos ranks 946th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Osos's Native American/Other population has declined by an estimated 28.6%. Native American/Other residents' share of Los Osos's population has remained roughly unchanged at 0.8%.

Los Osos is more Native American/Other than neighboring Cayucos (0% Native American/Other), California Polytechnic State University (0% Native American/Other), and San Luis Obispo (0.7% Native American/Other). Los Osos is less Native American/Other than neighboring Morro Bay (2.5% Native American/Other), and Avila Beach (3.2% Native American/Other).

Los Osos's Multiracial Population

631 residents of Los Osos, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Los Osos is comparable to the share in California overall, where 4.4% of the population is Multiracial. Los Osos ranks 690th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Osos's Multiracial population has declined by an estimated 15.2%. Multiracial residents' share of Los Osos's population has decreased from 5.1% to 4.5%.

Los Osos is more Multiracial than neighboring Morro Bay (3.2% Multiracial), and Avila Beach (0.7% Multiracial). Los Osos is less Multiracial than neighboring Cayucos (5.6% Multiracial), California Polytechnic State University (7.6% Multiracial), and San Luis Obispo (5.3% 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.