Belmont, CA Demographics

A map of Belmont's Population by Race

Belmont, California has an estimated population of 27,337, a decrease from the 28,335 recorded in the 2020 Census. The population is 45.8% White, 30.6% Asian, 13.1% Hispanic, 7.1% Multiracial, 1.8% Black, and 1.5% Native American/Other. This demographic dot map shows the population of Belmont, with one dot drawn for each person counted by the Census, color-coded by race.

Belmont has become more racially diverse since the 2020 Census. It is 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 Belmont, that probability was 66.3% in 2020 and 67.4% in the most recent ACS estimates.

Belmont is ranked the 283rd 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). Belmont was ranked the 279th most populous place in the 2020 Census.

Belmont's White Population

12,517 residents of Belmont, or 45.8% of the population, identify as White. The share of White residents in Belmont is considerably higher than in California overall, where 33.8% of the population is White. Belmont ranks 966th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Belmont's White population has declined by an estimated 7.8%. White residents' share of Belmont's population has decreased from 47.9% to 45.8%.

Belmont is more White than neighboring San Mateo (34.4% White). Belmont is less White than neighboring San Carlos (55.7% White), Baywood Park (49.7% White), Highlands (51.9% White), and Emerald Lake Hills (68.4% White).

Belmont's Black Population

505 residents of Belmont, or 1.8% of the population, identify as Black. The share of Black residents in Belmont is slightly lower than in California overall, where 5.2% of the population is Black. Belmont ranks 638th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Belmont's Black population has grown by an estimated 45.1%. Black residents' share of Belmont's population has increased from 1.2% to 1.8%.

Belmont is more Black than neighboring San Carlos (0.6% Black), San Mateo (1.4% Black), Baywood Park (0.1% Black), Highlands (1.4% Black), and Emerald Lake Hills (0.3% Black).

Belmont's Asian Population

8,375 residents of Belmont, or 30.6% of the population, identify as Asian. The share of Asian residents in Belmont is significantly higher than in California overall, where 15.3% of the population is Asian. Belmont ranks 85th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Belmont's Asian population has remained roughly the same. Asian residents' share of Belmont's population has increased from 29.4% to 30.6%.

Belmont is more Asian than neighboring San Carlos (23.4% Asian), San Mateo (28% Asian), and Emerald Lake Hills (12.4% Asian). Belmont is less Asian than neighboring Baywood Park (35.1% Asian), and Highlands (31.4% Asian).

Belmont's Hispanic Population

3,578 residents of Belmont, or 13.1% of the population, identify as Hispanic. The share of Hispanic residents in Belmont is significantly lower than in California overall, where 40.2% of the population is Hispanic. Belmont ranks 1136th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Belmont's Hispanic population has grown by an estimated 1.6%. Hispanic residents' share of Belmont's population has increased from 12.4% to 13.1%.

Belmont is more Hispanic than neighboring San Carlos (10.9% Hispanic), Baywood Park (5.7% Hispanic), Highlands (6.9% Hispanic), and Emerald Lake Hills (11.3% Hispanic). Belmont is less Hispanic than neighboring San Mateo (27.6% Hispanic).

Belmont's Native American/Other Population

423 residents of Belmont, or 1.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Belmont is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Belmont ranks 572nd statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Belmont's Native American/Other population has declined by an estimated 6.8%. Native American/Other residents' share of Belmont's population has remained roughly unchanged at 1.5%.

Belmont is more Native American/Other than neighboring Highlands (0% Native American/Other), and Emerald Lake Hills (0% Native American/Other). Belmont is less Native American/Other than neighboring San Carlos (1.9% Native American/Other), San Mateo (2.7% Native American/Other), and Baywood Park (4% Native American/Other).

Belmont's Multiracial Population

1,939 residents of Belmont, or 7.1% of the population, identify as Multiracial. The share of Multiracial residents in Belmont is slightly higher than in California overall, where 4.4% of the population is Multiracial. Belmont ranks 196th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Belmont's Multiracial population has declined by an estimated 8.0%. Multiracial residents' share of Belmont's population has remained roughly unchanged at 7.1%.

Belmont is more Multiracial than neighboring San Mateo (6% Multiracial), and Baywood Park (5.4% Multiracial). Belmont is less Multiracial than neighboring San Carlos (7.5% Multiracial), Highlands (8.4% Multiracial), and Emerald Lake Hills (7.5% 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.