Trenton, IL Demographics

A map of Trenton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,554	2,433	95.9%	90.4%
Multiracial	62	109	2.3%	4.1%
Hispanic	27	82	1.0%	3.0%
Asian	21	18	0.8%	0.7%
Black	0	23	0.0%	0.9%
Native American/Other	0	25	0.0%	0.9%

Trenton, Illinois has an estimated population of 2,664, a less than 1% change from the 2,690 recorded in the 2020 Census. The population is 95.9% White, 2.3% Multiracial, 1.0% Hispanic, 0.8% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Trenton, with one dot drawn for each person counted by the Census, color-coded by race.

Trenton has become considerably 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 Trenton, that probability was 17.9% in 2020 and 8.0% in the most recent ACS estimates.

Trenton is ranked the 449th 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). Trenton was ranked the 450th most populous place in the 2020 Census.

Trenton's White Population

2,554 residents of Trenton, or 95.9% of the population, identify as White. The share of White residents in Trenton is significantly higher than in Illinois overall, where 58.1% of the population is White. Trenton ranks 743rd statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Trenton's White population has grown by an estimated 5.0%. White residents' share of Trenton's population has increased from 90.4% to 95.9%.

Trenton is more White than neighboring Summerfield (94.8% White), New Baden (82.5% White), Aviston (85.5% White), Albers (95.3% White), and Damiansville (88.2% White).

Trenton's Black Population

0 residents of Trenton, or 0.0% of the population, identify as Black. The share of Black residents in Trenton is considerably lower than in Illinois overall, where 13.3% of the population is Black. Trenton ranks 634th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Trenton's Black population has declined by an estimated 100.0%. Black residents' share of Trenton's population has decreased from 0.9% to 0.0%.

Trenton is less Black than neighboring New Baden (3.6% Black), Aviston (0.3% Black), and Damiansville (2.6% Black).

Trenton's Asian Population

21 residents of Trenton, or 0.8% of the population, identify as Asian. The share of Asian residents in Trenton is lower than in Illinois overall, where 5.9% of the population is Asian. Trenton ranks 513th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Trenton's Asian population has grown by an estimated 16.7%. Asian residents' share of Trenton's population has remained roughly unchanged at 0.8%.

Trenton is more Asian than neighboring Summerfield (0% Asian), New Baden (0.5% Asian), Aviston (0.1% Asian), and Damiansville (0.2% Asian). Trenton is less Asian than neighboring Albers (0.9% Asian).

Trenton's Hispanic Population

27 residents of Trenton, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Trenton is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Trenton ranks 735th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Trenton's Hispanic population has declined by an estimated 67.1%. Hispanic residents' share of Trenton's population has decreased from 3.0% to 1.0%.

Trenton is less Hispanic than neighboring Summerfield (2.4% Hispanic), New Baden (12.7% Hispanic), Aviston (12.5% Hispanic), Albers (1.6% Hispanic), and Damiansville (6.8% Hispanic).

Trenton's Native American/Other Population

0 residents of Trenton, 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 Trenton is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Trenton ranks 155th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Trenton's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Trenton's population has decreased from 0.9% to 0.0%.

Trenton is less Native American/Other than neighboring Damiansville (0.4% Native American/Other).

Trenton's Multiracial Population

62 residents of Trenton, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Trenton is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Trenton ranks 514th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Trenton's Multiracial population has declined by an estimated 43.1%. Multiracial residents' share of Trenton's population has decreased from 4.1% to 2.3%.

Trenton is more Multiracial than neighboring New Baden (0.6% Multiracial), Aviston (1.7% Multiracial), Albers (2.1% Multiracial), and Damiansville (1.8% Multiracial). Trenton is less Multiracial than neighboring Summerfield (2.8% 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.