Mendon, IL Demographics

A map of Mendon's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,122	831	96.1%	95.3%
Multiracial	33	31	2.8%	3.6%
Hispanic	12	5	1.0%	0.6%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Native American/Other	0	5	0.0%	0.6%

Mendon, Illinois has an estimated population of 1,167, a dramatic increase from the 872 recorded in the 2020 Census. The population is 96.1% White, 2.8% Multiracial, 1.0% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Mendon, with one dot drawn for each person counted by the Census, color-coded by race.

Mendon has become less racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mendon, that probability was 9.0% in 2020 and 7.5% in the most recent ACS estimates.

Mendon is ranked the 660th most populous place in Illinois, out of 1,461 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). Mendon was ranked the 733rd most populous place in the 2020 Census.

Mendon's White Population

1,122 residents of Mendon, or 96.1% of the population, identify as White. The share of White residents in Mendon is significantly higher than in Illinois overall, where 58.1% of the population is White. Mendon ranks 165th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mendon's White population has grown by an estimated 35.0%. White residents' share of Mendon's population has increased from 95.3% to 96.1%.

Mendon is more White than neighboring Bloomfield (0% White), Fowler (78.1% White), Ursa (91.9% White), and Loraine (94.4% White). Mendon is less White than neighboring Marcelline (100% White).

Mendon's Black Population

0 residents of Mendon, or 0.0% of the population, identify as Black. The share of Black residents in Mendon is considerably lower than in Illinois overall, where 13.3% of the population is Black. Mendon ranks 1104th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mendon's Black population has grown from 0 to an estimated 0. Black residents' share of Mendon's population has remained roughly unchanged at 0.0%.

Mendon is less Black than neighboring Ursa (0.4% Black), and Loraine (2.3% Black).

Mendon's Asian Population

0 residents of Mendon, or 0.0% of the population, identify as Asian. The share of Asian residents in Mendon is lower than in Illinois overall, where 5.9% of the population is Asian. Mendon ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mendon's Asian population has grown from 0 to an estimated 0. Asian residents' share of Mendon's population has remained roughly unchanged at 0.0%.

Mendon's Hispanic Population

12 residents of Mendon, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Mendon is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Mendon ranks 1351st statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mendon's Hispanic population has grown by an estimated 140.0%. Hispanic residents' share of Mendon's population has remained roughly unchanged at 1.0%.

Mendon is more Hispanic than neighboring Bloomfield (0% Hispanic), Fowler (0% Hispanic), Marcelline (0% Hispanic), and Ursa (0% Hispanic). Mendon is less Hispanic than neighboring Loraine (1.2% Hispanic).

Mendon's Native American/Other Population

0 residents of Mendon, 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 Mendon is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Mendon ranks 413th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mendon's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Mendon's population has decreased from 0.6% to 0.0%.

Mendon is less Native American/Other than neighboring Ursa (1.1% Native American/Other), and Loraine (0.3% Native American/Other).

Mendon's Multiracial Population

33 residents of Mendon, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Mendon is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Mendon ranks 694th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Mendon's Multiracial population has grown by an estimated 6.5%. Multiracial residents' share of Mendon's population has decreased from 3.6% to 2.8%.

Mendon is more Multiracial than neighboring Bloomfield (0% Multiracial), Marcelline (0% Multiracial), and Loraine (1.8% Multiracial). Mendon is less Multiracial than neighboring Fowler (21.9% Multiracial), and Ursa (6.6% 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.