Muir Beach, CA Demographics

A map of Muir Beach's Population by Race

Muir Beach, California has an estimated population of 311, a slight increase from the 304 recorded in the 2020 Census. The population is 88.7% White, 7.7% Multiracial, 3.5% Native American/Other, 0.0% Black, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Muir Beach, with one dot drawn for each person counted by the Census, color-coded by race.

Muir Beach is about as racially diverse as it was in 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 Muir Beach, that probability was 20.8% in 2020 and 20.5% in the most recent ACS estimates.

Muir Beach is ranked the 1314th 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). Muir Beach was ranked the 1311th most populous place in the 2020 Census.

Muir Beach's White Population

276 residents of Muir Beach, or 88.7% of the population, identify as White. The share of White residents in Muir Beach is significantly higher than in California overall, where 33.8% of the population is White. Muir Beach ranks 40th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Muir Beach's White population has grown by an estimated 2.2%. White residents' share of Muir Beach's population has remained roughly unchanged at 88.7%.

Muir Beach is more White than neighboring Tamalpais-Homestead Valley (76.2% White), Mill Valley (80.1% White), Marin City (26.4% White), and Alto (80.6% White). Muir Beach is less White than neighboring Stinson Beach (94.9% White).

Muir Beach's Black Population

0 residents of Muir Beach, or 0.0% of the population, identify as Black. The share of Black residents in Muir Beach is lower than in California overall, where 5.2% of the population is Black. Muir Beach ranks 612th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Muir Beach's Black population has declined by an estimated 100.0%. Black residents' share of Muir Beach's population has decreased from 1.3% to 0.0%.

Muir Beach is less Black than neighboring Tamalpais-Homestead Valley (1.3% Black), Mill Valley (0.7% Black), Marin City (31.1% Black), and Alto (1.5% Black).

Muir Beach's Asian Population

0 residents of Muir Beach, or 0.0% of the population, identify as Asian. The share of Asian residents in Muir Beach is significantly lower than in California overall, where 15.3% of the population is Asian. Muir Beach ranks 629th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Muir Beach's Asian population has declined by an estimated 100.0%. Asian residents' share of Muir Beach's population has decreased from 3.3% to 0.0%.

Muir Beach is less Asian than neighboring Tamalpais-Homestead Valley (7.1% Asian), Mill Valley (8.3% Asian), Marin City (19.4% Asian), and Alto (5.7% Asian).

Muir Beach's Hispanic Population

0 residents of Muir Beach, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Muir Beach is significantly lower than in California overall, where 40.2% of the population is Hispanic. Muir Beach ranks 1571st statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Muir Beach's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Muir Beach's population has decreased from 3.3% to 0.0%.

Muir Beach is less Hispanic than neighboring Tamalpais-Homestead Valley (7.6% Hispanic), Mill Valley (4.8% Hispanic), Marin City (15% Hispanic), Stinson Beach (5.1% Hispanic), and Alto (12.3% Hispanic).

Muir Beach's Native American/Other Population

11 residents of Muir Beach, or 3.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Muir Beach is slightly higher than in California overall, where 1.2% of the population is Native American/Other. Muir Beach ranks 1331st statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Muir Beach's Native American/Other population has grown by an estimated 450.0%. Native American/Other residents' share of Muir Beach's population has increased from 0.7% to 3.5%.

Muir Beach is more Native American/Other than neighboring Tamalpais-Homestead Valley (1.2% Native American/Other), Mill Valley (1.2% Native American/Other), Marin City (0.4% Native American/Other), Stinson Beach (0% Native American/Other), and Alto (0% Native American/Other).

Muir Beach's Multiracial Population

24 residents of Muir Beach, or 7.7% of the population, identify as Multiracial. The share of Multiracial residents in Muir Beach is slightly higher than in California overall, where 4.4% of the population is Multiracial. Muir Beach ranks 1233rd statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Muir Beach's Multiracial population has grown by an estimated 200.0%. Multiracial residents' share of Muir Beach's population has increased from 2.6% to 7.7%.

Muir Beach is more Multiracial than neighboring Tamalpais-Homestead Valley (6.7% Multiracial), Mill Valley (4.9% Multiracial), Marin City (7.6% Multiracial), Stinson Beach (0% Multiracial), and Alto (0% 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.