Monmouth, CA Demographics
A map of Monmouth's Population by Race
Monmouth, California has an estimated population of 115, a decrease from the 120 recorded in the 2020 Census. The population is 72.2% Hispanic, 16.5% Black, 11.3% White, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Monmouth, with one dot drawn for each person counted by the Census, color-coded by race.
Monmouth 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 Monmouth, that probability was 48.7% in 2020 and 43.9% in the most recent ACS estimates.
Monmouth is ranked the 1444th 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). Monmouth was ranked the 1477th most populous place in the 2020 Census.
Monmouth's White Population
13 residents of Monmouth, or 11.3% of the population, identify as White. The share of White residents in Monmouth is significantly lower than in California overall, where 33.8% of the population is White. Monmouth ranks 1263rd statewide in terms of White residents as a share of the population, out of 1,618 places.
Since the 2020 Census, Monmouth's White population has declined by an estimated 53.6%. White residents' share of Monmouth's population has decreased from 23.3% to 11.3%.
Monmouth is more White than neighboring Malaga (9.2% White). Monmouth is less White than neighboring Bowles (68.4% White), Fowler (14% White), Easton (17.6% White), and Caruthers (21.9% White).
Monmouth's Black Population
19 residents of Monmouth, or 16.5% of the population, identify as Black. The share of Black residents in Monmouth is considerably higher than in California overall, where 5.2% of the population is Black. Monmouth ranks 820th statewide in terms of Black residents as a share of the population, out of 1,618 places.
Since the 2020 Census, Monmouth's Black population has grown by an estimated 1800.0%. Black residents' share of Monmouth's population has increased from 0.8% to 16.5%.
Monmouth is more Black than neighboring Bowles (0% Black), Fowler (2.8% Black), Easton (4.7% Black), Caruthers (1.2% Black), and Malaga (0% Black).
Monmouth's Asian Population
0 residents of Monmouth, or 0.0% of the population, identify as Asian. The share of Asian residents in Monmouth is significantly lower than in California overall, where 15.3% of the population is Asian. Monmouth ranks 1194th statewide in terms of Asian residents as a share of the population, out of 1,618 places.
Since the 2020 Census, Monmouth's Asian population has declined by an estimated 100.0%. Asian residents' share of Monmouth's population has decreased from 0.8% to 0.0%.
Monmouth is less Asian than neighboring Fowler (9.8% Asian), Easton (4.5% Asian), Caruthers (3.5% Asian), and Malaga (1.2% Asian).
Monmouth's Hispanic Population
83 residents of Monmouth, or 72.2% of the population, identify as Hispanic. The share of Hispanic residents in Monmouth is significantly higher than in California overall, where 40.2% of the population is Hispanic. Monmouth ranks 259th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.
Since the 2020 Census, Monmouth's Hispanic population has grown by an estimated 2.5%. Hispanic residents' share of Monmouth's population has increased from 67.5% to 72.2%.
Monmouth is more Hispanic than neighboring Bowles (20.4% Hispanic), and Fowler (72.1% Hispanic). Monmouth is less Hispanic than neighboring Easton (72.4% Hispanic), Caruthers (72.6% Hispanic), and Malaga (89.6% Hispanic).
Monmouth's Native American/Other Population
0 residents of Monmouth, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Monmouth is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Monmouth ranks 203rd statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.
Since the 2020 Census, Monmouth's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Monmouth's population has decreased from 3.3% to 0.0%.
Monmouth is less Native American/Other than neighboring Bowles (11.2% Native American/Other), Fowler (0.1% Native American/Other), and Easton (0.5% Native American/Other).
Monmouth's Multiracial Population
0 residents of Monmouth, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Monmouth is slightly lower than in California overall, where 4.4% of the population is Multiracial. Monmouth ranks 925th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.
Since the 2020 Census, Monmouth's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Monmouth's population has decreased from 4.2% to 0.0%.
Monmouth is less Multiracial than neighboring Fowler (1.3% Multiracial), Easton (0.3% Multiracial), and Caruthers (0.7% 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.