Waterloo, IN Demographics

A map of Waterloo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,795	1,957	86.6%	92.5%
Multiracial	132	75	6.4%	3.5%
Hispanic	107	59	5.2%	2.8%
Native American/Other	22	16	1.1%	0.8%
Black	10	6	0.5%	0.3%
Asian	7	3	0.3%	0.1%

Waterloo, Indiana has an estimated population of 2,073, a slight decrease from the 2,116 recorded in the 2020 Census. The population is 86.6% White, 6.4% Multiracial, 5.2% Hispanic, 1.1% Native American/Other, 0.5% Black, and 0.3% Asian. This demographic dot map shows the population of Waterloo, with one dot drawn for each person counted by the Census, color-coded by race.

Waterloo has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Indiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Waterloo, that probability was 14.2% in 2020 and 24.3% in the most recent ACS estimates.

Waterloo is ranked the 224th most populous place in Indiana, out of 976 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). Waterloo was ranked the 213th most populous place in the 2020 Census.

Waterloo's White Population

1,795 residents of Waterloo, or 86.6% of the population, identify as White. The share of White residents in Waterloo is considerably higher than in Indiana overall, where 75.4% of the population is White. Waterloo ranks 297th statewide in terms of White residents as a share of the population, out of 976 places.

Since the 2020 Census, Waterloo's White population has declined by an estimated 8.3%. White residents' share of Waterloo's population has decreased from 92.5% to 86.6%.

Waterloo is more White than neighboring Ashley (79.8% White). Waterloo is less White than neighboring Auburn (95.1% White), Corunna (87.5% White), Hudson (95.7% White), and Garrett (90.9% White).

Waterloo's Black Population

10 residents of Waterloo, or 0.5% of the population, identify as Black. The share of Black residents in Waterloo is lower than in Indiana overall, where 9.1% of the population is Black. Waterloo ranks 446th statewide in terms of Black residents as a share of the population, out of 976 places.

Since the 2020 Census, Waterloo's Black population has grown by an estimated 66.7%. Black residents' share of Waterloo's population has remained roughly unchanged at 0.5%.

Waterloo is more Black than neighboring Auburn (0% Black), Ashley (0% Black), Corunna (0% Black), Hudson (0% Black), and Garrett (0% Black).

Waterloo's Asian Population

7 residents of Waterloo, or 0.3% of the population, identify as Asian. The share of Asian residents in Waterloo is slightly lower than in Indiana overall, where 2.6% of the population is Asian. Waterloo ranks 463rd statewide in terms of Asian residents as a share of the population, out of 976 places.

Since the 2020 Census, Waterloo's Asian population has grown by an estimated 133.3%. Asian residents' share of Waterloo's population has remained roughly unchanged at 0.3%.

Waterloo is more Asian than neighboring Auburn (0.1% Asian), Ashley (0% Asian), Corunna (0% Asian), and Hudson (0% Asian). Waterloo is less Asian than neighboring Garrett (1.2% Asian).

Waterloo's Hispanic Population

107 residents of Waterloo, or 5.2% of the population, identify as Hispanic. The share of Hispanic residents in Waterloo is slightly lower than in Indiana overall, where 8.6% of the population is Hispanic. Waterloo ranks 335th statewide in terms of Hispanic residents as a share of the population, out of 976 places.

Since the 2020 Census, Waterloo's Hispanic population has grown by an estimated 81.4%. Hispanic residents' share of Waterloo's population has increased from 2.8% to 5.2%.

Waterloo is more Hispanic than neighboring Auburn (2.1% Hispanic), Hudson (3.6% Hispanic), and Garrett (3.5% Hispanic). Waterloo is less Hispanic than neighboring Ashley (10.6% Hispanic), and Corunna (12.5% Hispanic).

Waterloo's Native American/Other Population

22 residents of Waterloo, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Waterloo is comparable to the share in Indiana overall, where 0.5% of the population is Native American/Other. Waterloo ranks 128th statewide in terms of Native American/Other residents as a share of the population, out of 976 places.

Since the 2020 Census, Waterloo's Native American/Other population has grown by an estimated 37.5%. Native American/Other residents' share of Waterloo's population has remained roughly unchanged at 1.1%.

Waterloo is more Native American/Other than neighboring Auburn (0% Native American/Other), Ashley (0.2% Native American/Other), Corunna (0% Native American/Other), Hudson (0.3% Native American/Other), and Garrett (0% Native American/Other).

Waterloo's Multiracial Population

132 residents of Waterloo, or 6.4% of the population, identify as Multiracial. The share of Multiracial residents in Waterloo is slightly higher than in Indiana overall, where 3.8% of the population is Multiracial. Waterloo ranks 338th statewide in terms of Multiracial residents as a share of the population, out of 976 places.

Since the 2020 Census, Waterloo's Multiracial population has grown by an estimated 76.0%. Multiracial residents' share of Waterloo's population has increased from 3.5% to 6.4%.

Waterloo is more Multiracial than neighboring Auburn (2.6% Multiracial), Corunna (0% Multiracial), Hudson (0.3% Multiracial), and Garrett (4.4% Multiracial). Waterloo is less Multiracial than neighboring Ashley (9.5% 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.