South Monrovia Island, CA Demographics

A map of South Monrovia Island's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	4,960	4,590	72.6%	70.5%
White	761	666	11.1%	10.2%
Multiracial	368	95	5.4%	1.5%
Asian	337	733	4.9%	11.3%
Black	316	390	4.6%	6.0%
Native American/Other	88	41	1.3%	0.6%

South Monrovia Island, California has an estimated population of 6,830, an increase from the 6,515 recorded in the 2020 Census. The population is 72.6% Hispanic, 11.1% White, 5.4% Multiracial, 4.9% Asian, 4.6% Black, and 1.3% Native American/Other. This demographic dot map shows the population of South Monrovia Island, with one dot drawn for each person counted by the Census, color-coded by race.

South Monrovia Island 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 South Monrovia Island, that probability was 47.7% in 2020 and 45.3% in the most recent ACS estimates.

South Monrovia Island is ranked the 589th 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). South Monrovia Island was ranked the 592nd most populous place in the 2020 Census.

South Monrovia Island's White Population

761 residents of South Monrovia Island, or 11.1% of the population, identify as White. The share of White residents in South Monrovia Island is significantly lower than in California overall, where 33.8% of the population is White. South Monrovia Island ranks 1438th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, South Monrovia Island's White population has grown by an estimated 14.3%. White residents' share of South Monrovia Island's population has increased from 10.2% to 11.1%.

South Monrovia Island is more White than neighboring Irwindale (3.3% White). South Monrovia Island is less White than neighboring Mayflower Village (26.9% White), North El Monte (15.9% White), Bradbury (39.3% White), and Monrovia (28.1% White).

South Monrovia Island's Black Population

316 residents of South Monrovia Island, or 4.6% of the population, identify as Black. The share of Black residents in South Monrovia Island is comparable to the share in California overall, where 5.2% of the population is Black. South Monrovia Island ranks 171st statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, South Monrovia Island's Black population has declined by an estimated 19.0%. Black residents' share of South Monrovia Island's population has decreased from 6.0% to 4.6%.

South Monrovia Island is more Black than neighboring Mayflower Village (0.3% Black), Irwindale (0% Black), North El Monte (1.1% Black), and Bradbury (3% Black). South Monrovia Island is less Black than neighboring Monrovia (5.5% Black).

South Monrovia Island's Asian Population

337 residents of South Monrovia Island, or 4.9% of the population, identify as Asian. The share of Asian residents in South Monrovia Island is considerably lower than in California overall, where 15.3% of the population is Asian. South Monrovia Island ranks 274th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, South Monrovia Island's Asian population has declined by an estimated 54.0%. Asian residents' share of South Monrovia Island's population has decreased from 11.3% to 4.9%.

South Monrovia Island is more Asian than neighboring Irwindale (1.7% Asian). South Monrovia Island is less Asian than neighboring Mayflower Village (34.7% Asian), North El Monte (44.7% Asian), Bradbury (36.2% Asian), and Monrovia (15.6% Asian).

South Monrovia Island's Hispanic Population

4,960 residents of South Monrovia Island, or 72.6% of the population, identify as Hispanic. The share of Hispanic residents in South Monrovia Island is significantly higher than in California overall, where 40.2% of the population is Hispanic. South Monrovia Island ranks 238th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, South Monrovia Island's Hispanic population has grown by an estimated 8.1%. Hispanic residents' share of South Monrovia Island's population has increased from 70.5% to 72.6%.

South Monrovia Island is more Hispanic than neighboring Mayflower Village (32.4% Hispanic), North El Monte (35.6% Hispanic), Bradbury (20.3% Hispanic), and Monrovia (45.2% Hispanic). South Monrovia Island is less Hispanic than neighboring Irwindale (93.6% Hispanic).

South Monrovia Island's Native American/Other Population

88 residents of South Monrovia Island, or 1.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in South Monrovia Island is comparable to the share in California overall, where 1.2% of the population is Native American/Other. South Monrovia Island ranks 1346th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, South Monrovia Island's Native American/Other population has grown by an estimated 114.6%. Native American/Other residents' share of South Monrovia Island's population has increased from 0.6% to 1.3%.

South Monrovia Island is more Native American/Other than neighboring Irwindale (0.5% Native American/Other), North El Monte (0.1% Native American/Other), Bradbury (0.4% Native American/Other), and Monrovia (1.2% Native American/Other). South Monrovia Island is less Native American/Other than neighboring Mayflower Village (3.6% Native American/Other).

South Monrovia Island's Multiracial Population

368 residents of South Monrovia Island, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in South Monrovia Island is comparable to the share in California overall, where 4.4% of the population is Multiracial. South Monrovia Island ranks 1405th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, South Monrovia Island's Multiracial population has grown by an estimated 287.4%. Multiracial residents' share of South Monrovia Island's population has increased from 1.5% to 5.4%.

South Monrovia Island is more Multiracial than neighboring Mayflower Village (2.1% Multiracial), Irwindale (0.9% Multiracial), North El Monte (2.6% Multiracial), Bradbury (0.8% Multiracial), and Monrovia (4.3% 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.