Colchester, IL Demographics

A map of Colchester's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,067	1,074	94.6%	96.9%
Hispanic	35	5	3.1%	0.5%
Multiracial	26	24	2.3%	2.2%
Black	0	0	0.0%	0.0%
Asian	0	1	0.0%	0.1%
Native American/Other	0	4	0.0%	0.4%

Colchester, Illinois has an estimated population of 1,128, a slight increase from the 1,108 recorded in the 2020 Census. The population is 94.6% White, 3.1% Hispanic, 2.3% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Colchester, with one dot drawn for each person counted by the Census, color-coded by race.

Colchester has become more 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 Colchester, that probability was 6.0% in 2020 and 10.4% in the most recent ACS estimates.

Colchester is ranked the 669th 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). Colchester was ranked the 666th most populous place in the 2020 Census.

Colchester's White Population

1,067 residents of Colchester, or 94.6% of the population, identify as White. The share of White residents in Colchester is significantly higher than in Illinois overall, where 58.1% of the population is White. Colchester ranks 51st statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Colchester's White population has remained roughly the same. White residents' share of Colchester's population has decreased from 96.9% to 94.6%.

Colchester is more White than neighboring Macomb (78.6% White), and Blandinsville (93.5% White). Colchester is less White than neighboring Tennessee (96.9% White), Sciota (100% White), and Good Hope (97.3% White).

Colchester's Black Population

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

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

Colchester is less Black than neighboring Macomb (9.5% Black).

Colchester's Asian Population

0 residents of Colchester, or 0.0% of the population, identify as Asian. The share of Asian residents in Colchester is lower than in Illinois overall, where 5.9% of the population is Asian. Colchester ranks 1012th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Colchester's Asian population has declined by an estimated 100.0%. Asian residents' share of Colchester's population has remained roughly unchanged at 0.0%.

Colchester is less Asian than neighboring Macomb (2.7% Asian).

Colchester's Hispanic Population

35 residents of Colchester, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in Colchester is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Colchester ranks 1367th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Colchester's Hispanic population has grown by an estimated 600.0%. Hispanic residents' share of Colchester's population has increased from 0.5% to 3.1%.

Colchester is more Hispanic than neighboring Sciota (0% Hispanic), Blandinsville (0.9% Hispanic), and Good Hope (1.4% Hispanic). Colchester is less Hispanic than neighboring Macomb (5.2% Hispanic).

Colchester's Native American/Other Population

0 residents of Colchester, 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 Colchester is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Colchester ranks 779th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Colchester's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Colchester's population has remained roughly unchanged at 0.0%.

Colchester is less Native American/Other than neighboring Macomb (0.5% Native American/Other).

Colchester's Multiracial Population

26 residents of Colchester, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Colchester is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Colchester ranks 1212th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Colchester's Multiracial population has grown by an estimated 8.3%. Multiracial residents' share of Colchester's population has remained roughly unchanged at 2.3%.

Colchester is more Multiracial than neighboring Tennessee (0% Multiracial), Sciota (0% Multiracial), and Good Hope (1.4% Multiracial). Colchester is less Multiracial than neighboring Macomb (3.5% Multiracial), and Blandinsville (5.6% 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.