Columbia, IL Demographics

A map of Columbia's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	10,559	10,210	94.9%	92.8%
Multiracial	281	363	2.5%	3.3%
Hispanic	184	254	1.7%	2.3%
Black	73	59	0.7%	0.5%
Native American/Other	17	46	0.2%	0.4%
Asian	13	67	0.1%	0.6%

Columbia, Illinois has an estimated population of 11,127, a slight increase from the 10,999 recorded in the 2020 Census. The population is 94.9% White, 2.5% Multiracial, 1.7% Hispanic, 0.7% Black, 0.2% Native American/Other, and 0.1% Asian. This demographic dot map shows the population of Columbia, with one dot drawn for each person counted by the Census, color-coded by race.

Columbia 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 Columbia, that probability was 13.7% in 2020 and 9.8% in the most recent ACS estimates.

Columbia is ranked the 209th 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). Columbia was ranked the 208th most populous place in the 2020 Census.

Columbia's White Population

10,559 residents of Columbia, or 94.9% of the population, identify as White. The share of White residents in Columbia is significantly higher than in Illinois overall, where 58.1% of the population is White. Columbia ranks 503rd statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Columbia's White population has grown by an estimated 3.4%. White residents' share of Columbia's population has increased from 92.8% to 94.9%.

Columbia is more White than neighboring Dupo (85.6% White), East Carondelet (70.8% White), Lemay (83.2% White), Oakville (88.5% White), and Mehlville (87.5% White).

Columbia's Black Population

73 residents of Columbia, or 0.7% of the population, identify as Black. The share of Black residents in Columbia is considerably lower than in Illinois overall, where 13.3% of the population is Black. Columbia ranks 833rd statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Columbia's Black population has grown by an estimated 23.7%. Black residents' share of Columbia's population has remained roughly unchanged at 0.7%.

Columbia is less Black than neighboring Dupo (5.5% Black), East Carondelet (21% Black), Lemay (3.4% Black), Oakville (2.3% Black), and Mehlville (5.4% Black).

Columbia's Asian Population

13 residents of Columbia, or 0.1% of the population, identify as Asian. The share of Asian residents in Columbia is lower than in Illinois overall, where 5.9% of the population is Asian. Columbia ranks 559th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Columbia's Asian population has declined by an estimated 80.6%. Asian residents' share of Columbia's population has decreased from 0.6% to 0.1%.

Columbia is more Asian than neighboring East Carondelet (0% Asian). Columbia is less Asian than neighboring Dupo (0.5% Asian), Lemay (1.8% Asian), Oakville (1.6% Asian), and Mehlville (2.4% Asian).

Columbia's Hispanic Population

184 residents of Columbia, or 1.7% of the population, identify as Hispanic. The share of Hispanic residents in Columbia is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Columbia ranks 880th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Columbia's Hispanic population has declined by an estimated 27.6%. Hispanic residents' share of Columbia's population has decreased from 2.3% to 1.7%.

Columbia is more Hispanic than neighboring Dupo (1.5% Hispanic). Columbia is less Hispanic than neighboring East Carondelet (5.2% Hispanic), Lemay (4.7% Hispanic), Oakville (2.9% Hispanic), and Mehlville (1.9% Hispanic).

Columbia's Native American/Other Population

17 residents of Columbia, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Columbia is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Columbia ranks 684th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Columbia's Native American/Other population has declined by an estimated 63.0%. Native American/Other residents' share of Columbia's population has remained roughly unchanged at 0.2%.

Columbia is more Native American/Other than neighboring Dupo (0% Native American/Other), East Carondelet (0% Native American/Other), Oakville (0.1% Native American/Other), and Mehlville (0.1% Native American/Other). Columbia is less Native American/Other than neighboring Lemay (0.5% Native American/Other).

Columbia's Multiracial Population

281 residents of Columbia, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Columbia is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Columbia ranks 805th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Columbia's Multiracial population has declined by an estimated 22.6%. Multiracial residents' share of Columbia's population has decreased from 3.3% to 2.5%.

Columbia is less Multiracial than neighboring Dupo (6.8% Multiracial), East Carondelet (3% Multiracial), Lemay (6.4% Multiracial), Oakville (4.6% Multiracial), and Mehlville (2.6% 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.