Monrovia, CA Demographics

A map of Monrovia's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	16,989	14,987	45.2%	39.5%
White	10,571	12,903	28.1%	34.0%
Asian	5,871	6,210	15.6%	16.4%
Black	2,071	1,955	5.5%	5.2%
Multiracial	1,605	1,553	4.3%	4.1%
Native American/Other	464	323	1.2%	0.9%

Monrovia, California has an estimated population of 37,571, a less than 1% change from the 37,931 recorded in the 2020 Census. The population is 45.2% Hispanic, 28.1% White, 15.6% Asian, 5.5% Black, 4.3% Multiracial, and 1.2% Native American/Other. This demographic dot map shows the population of Monrovia, with one dot drawn for each person counted by the Census, color-coded by race.

Monrovia has become less racially diverse since the 2020 Census. It is slightly 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 Monrovia, that probability was 69.7% in 2020 and 68.7% in the most recent ACS estimates.

Monrovia is ranked the 227th 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). Monrovia was ranked the 226th most populous place in the 2020 Census.

Monrovia's White Population

10,571 residents of Monrovia, or 28.1% of the population, identify as White. The share of White residents in Monrovia is lower than in California overall, where 33.8% of the population is White. Monrovia ranks 1132nd statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Monrovia's White population has declined by an estimated 18.1%. White residents' share of Monrovia's population has decreased from 34.0% to 28.1%.

Monrovia is more White than neighboring South Monrovia Island (11.1% White), Duarte (23.5% White), Mayflower Village (26.9% White), and Arcadia (16.7% White). Monrovia is less White than neighboring Bradbury (39.3% White).

Monrovia's Black Population

2,071 residents of Monrovia, or 5.5% of the population, identify as Black. The share of Black residents in Monrovia is comparable to the share in California overall, where 5.2% of the population is Black. Monrovia ranks 204th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Monrovia's Black population has grown by an estimated 5.9%. Black residents' share of Monrovia's population has remained roughly unchanged at 5.5%.

Monrovia is more Black than neighboring Bradbury (3% Black), South Monrovia Island (4.6% Black), Duarte (4% Black), Mayflower Village (0.3% Black), and Arcadia (1.6% Black).

Monrovia's Asian Population

5,871 residents of Monrovia, or 15.6% of the population, identify as Asian. The share of Asian residents in Monrovia is comparable to the share in California overall, where 15.3% of the population is Asian. Monrovia ranks 174th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Monrovia's Asian population has declined by an estimated 5.5%. Asian residents' share of Monrovia's population has decreased from 16.4% to 15.6%.

Monrovia is more Asian than neighboring South Monrovia Island (4.9% Asian). Monrovia is less Asian than neighboring Bradbury (36.2% Asian), Duarte (17.9% Asian), Mayflower Village (34.7% Asian), and Arcadia (58.7% Asian).

Monrovia's Hispanic Population

16,989 residents of Monrovia, or 45.2% of the population, identify as Hispanic. The share of Hispanic residents in Monrovia is slightly higher than in California overall, where 40.2% of the population is Hispanic. Monrovia ranks 491st statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Monrovia's Hispanic population has grown by an estimated 13.4%. Hispanic residents' share of Monrovia's population has increased from 39.5% to 45.2%.

Monrovia is more Hispanic than neighboring Bradbury (20.3% Hispanic), Mayflower Village (32.4% Hispanic), and Arcadia (17.5% Hispanic). Monrovia is less Hispanic than neighboring South Monrovia Island (72.6% Hispanic), and Duarte (49.4% Hispanic).

Monrovia's Native American/Other Population

464 residents of Monrovia, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Monrovia is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Monrovia ranks 1161st statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Monrovia's Native American/Other population has grown by an estimated 43.7%. Native American/Other residents' share of Monrovia's population has remained roughly unchanged at 1.2%.

Monrovia is more Native American/Other than neighboring Bradbury (0.4% Native American/Other), and Duarte (1% Native American/Other). Monrovia is less Native American/Other than neighboring South Monrovia Island (1.3% Native American/Other), Mayflower Village (3.6% Native American/Other), and Arcadia (1.3% Native American/Other).

Monrovia's Multiracial Population

1,605 residents of Monrovia, or 4.3% of the population, identify as Multiracial. The share of Multiracial residents in Monrovia is comparable to the share in California overall, where 4.4% of the population is Multiracial. Monrovia ranks 949th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Monrovia's Multiracial population has grown by an estimated 3.3%. Multiracial residents' share of Monrovia's population has remained roughly unchanged at 4.3%.

Monrovia is more Multiracial than neighboring Bradbury (0.8% Multiracial), Duarte (4.2% Multiracial), Mayflower Village (2.1% Multiracial), and Arcadia (4.2% Multiracial). Monrovia is less Multiracial than neighboring South Monrovia Island (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.