Thomson, IL Demographics

A map of Thomson's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	741	757	42.2%	47.0%
Black	572	579	32.6%	36.0%
Hispanic	364	202	20.7%	12.5%
Native American/Other	48	34	2.7%	2.1%
Asian	16	7	0.9%	0.4%
Multiracial	16	31	0.9%	1.9%

Thomson, Illinois has an estimated population of 1,757, an increase from the 1,610 recorded in the 2020 Census. The population is 42.2% White, 32.6% Black, 20.7% Hispanic, 2.7% Native American/Other, 0.9% Asian, and 0.9% Multiracial. This demographic dot map shows the population of Thomson, with one dot drawn for each person counted by the Census, color-coded by race.

Thomson has become more racially diverse since the 2020 Census. It is considerably more 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 Thomson, that probability was 63.3% in 2020 and 67.2% in the most recent ACS estimates.

Thomson is ranked the 538th 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). Thomson was ranked the 549th most populous place in the 2020 Census.

Thomson's White Population

741 residents of Thomson, or 42.2% of the population, identify as White. The share of White residents in Thomson is significantly lower than in Illinois overall, where 58.1% of the population is White. Thomson ranks 1367th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Thomson's White population has declined by an estimated 2.1%. White residents' share of Thomson's population has decreased from 47.0% to 42.2%.

Thomson is less White than neighboring Sabula (97.4% White), Savanna (86.5% White), Fulton (91% White), Andover (100% White), and Mount Carroll (93.4% White).

Thomson's Black Population

572 residents of Thomson, or 32.6% of the population, identify as Black. The share of Black residents in Thomson is significantly higher than in Illinois overall, where 13.3% of the population is Black. Thomson ranks 53rd statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Thomson's Black population has declined by an estimated 1.2%. Black residents' share of Thomson's population has decreased from 36.0% to 32.6%.

Thomson is more Black than neighboring Sabula (0% Black), Savanna (0.3% Black), Fulton (0% Black), Andover (0% Black), and Mount Carroll (1.1% Black).

Thomson's Asian Population

16 residents of Thomson, or 0.9% of the population, identify as Asian. The share of Asian residents in Thomson is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Thomson ranks 693rd statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Thomson's Asian population has grown by an estimated 128.6%. Asian residents' share of Thomson's population has increased from 0.4% to 0.9%.

Thomson is more Asian than neighboring Sabula (0% Asian), and Andover (0% Asian). Thomson is less Asian than neighboring Savanna (1.6% Asian), Fulton (1% Asian), and Mount Carroll (1.5% Asian).

Thomson's Hispanic Population

364 residents of Thomson, or 20.7% of the population, identify as Hispanic. The share of Hispanic residents in Thomson is comparable to the share in Illinois overall, where 18.8% of the population is Hispanic. Thomson ranks 198th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Thomson's Hispanic population has grown by an estimated 80.2%. Hispanic residents' share of Thomson's population has increased from 12.5% to 20.7%.

Thomson is more Hispanic than neighboring Sabula (2% Hispanic), Savanna (7.7% Hispanic), Fulton (3.5% Hispanic), Andover (0% Hispanic), and Mount Carroll (2.7% Hispanic).

Thomson's Native American/Other Population

48 residents of Thomson, or 2.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Thomson is slightly higher than in Illinois overall, where 0.5% of the population is Native American/Other. Thomson ranks 27th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Thomson's Native American/Other population has grown by an estimated 41.2%. Native American/Other residents' share of Thomson's population has increased from 2.1% to 2.7%.

Thomson is more Native American/Other than neighboring Sabula (0% Native American/Other), Savanna (0.4% Native American/Other), Fulton (0% Native American/Other), Andover (0% Native American/Other), and Mount Carroll (0.3% Native American/Other).

Thomson's Multiracial Population

16 residents of Thomson, or 0.9% of the population, identify as Multiracial. The share of Multiracial residents in Thomson is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Thomson ranks 1261st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Thomson's Multiracial population has declined by an estimated 48.4%. Multiracial residents' share of Thomson's population has decreased from 1.9% to 0.9%.

Thomson is more Multiracial than neighboring Sabula (0.5% Multiracial), and Andover (0% Multiracial). Thomson is less Multiracial than neighboring Savanna (3.6% Multiracial), Fulton (4.4% Multiracial), and Mount Carroll (1.1% 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.