Waterloo, IL Demographics

A map of Waterloo's Population by Race

Waterloo, Illinois had a population of 11,013 in 2020. It was 93.1% White, 0.3% Black, 0.7% Asian, 2.0% Hispanic, 0.3% Native American/Other, and 3.7% Multiracial. This map presents the population of Waterloo, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,466 places in Illinois, Waterloo is the 207th most populous. 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).

Waterloo's White Population

10,251 residents of Waterloo identify as White, or 93.1%. This makes the White share of the population of Waterloo considerably larger than the White share of the population of Illinois (58.3% White). Of the 1,466 places in Illinois, Waterloo is ranked #454 in terms of White residents as a share of the population.

Waterloo is more White than neighboring Paderborn (85.7% White), Columbia (92.8% White), Millstadt (93% White), and Maeystown (92% White). Waterloo is less White than neighboring Floraville (93.9% White).

Waterloo's Black Population

29 residents of Waterloo identify as Black, or 0.3%. This makes the Black share of the population of Waterloo less than the Black share of the population of Illinois (13.9% Black). Of the 1,466 places in Illinois, Waterloo is ranked #946 in terms of Black residents as a share of the population.

Waterloo is more Black than neighboring Floraville (0% Black), and Paderborn (0% Black). Waterloo is less Black than neighboring Columbia (0.5% Black), Millstadt (0.5% Black), and Maeystown (1.3% Black).

Waterloo's Asian Population

73 residents of Waterloo identify as Asian, or 0.7%. This makes the Asian share of the population of Waterloo slightly less than the Asian share of the population of Illinois (5.8% Asian). Of the 1,466 places in Illinois, Waterloo is ranked #471 in terms of Asian residents as a share of the population.

Waterloo is more Asian than neighboring Floraville (0% Asian), Paderborn (0% Asian), Columbia (0.6% Asian), and Millstadt (0.5% Asian).

Waterloo's Hispanic Population

220 residents of Waterloo identify as Hispanic, or 2.0%. This makes the Hispanic share of the population of Waterloo less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 1,466 places in Illinois, Waterloo is ranked #942 in terms of Hispanic residents as a share of the population.

Waterloo is more Hispanic than neighboring Millstadt (1.7% Hispanic), and Maeystown (0% Hispanic). Waterloo is less Hispanic than neighboring Paderborn (2.9% Hispanic), and Columbia (2.3% Hispanic).

Waterloo's Native American/Other Population

35 residents of Waterloo identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.3%. This makes the Native American/Other share of the population of Waterloo roughly similar to the Native American/Other share of the population of Illinois (0.5% Native American/Other). Of the 1,466 places in Illinois, Waterloo is ranked #806 in terms of Native American/Other residents as a share of the population.

Waterloo is more Native American/Other than neighboring Floraville (0% Native American/Other), Paderborn (0% Native American/Other), and Maeystown (0% Native American/Other). Waterloo is less Native American/Other than neighboring Columbia (0.4% Native American/Other), and Millstadt (0.4% Native American/Other).

Waterloo's Multiracial Population

405 residents of Waterloo identify as Multiracial, or 3.7%. This makes the Multiracial share of the population of Waterloo roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 1,466 places in Illinois, Waterloo is ranked #620 in terms of Multiracial residents as a share of the population.

Waterloo is more Multiracial than neighboring Columbia (3.3% Multiracial). Waterloo is less Multiracial than neighboring Floraville (4.1% Multiracial), Paderborn (11.4% Multiracial), Millstadt (3.8% Multiracial), and Maeystown (6% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.