Waterloo, SC Demographics

A map of Waterloo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Black	184	93	86.8%	62.4%
White	16	50	7.5%	33.6%
Multiracial	7	4	3.3%	2.7%
Asian	5	0	2.4%	0.0%
Hispanic	0	2	0.0%	1.3%
Native American/Other	0	0	0.0%	0.0%

Waterloo, South Carolina has an estimated population of 212, a dramatic increase from the 149 recorded in the 2020 Census. The population is 86.8% Black, 7.5% White, 3.3% Multiracial, 2.4% Asian, 0.0% Hispanic, and 0.0% Native American/Other. 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 less racially diverse since the 2020 Census. It is considerably less diverse than South Carolina 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 49.7% in 2020 and 23.9% in the most recent ACS estimates.

Waterloo is ranked the 404th most populous place in South Carolina, out of 475 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 423rd most populous place in the 2020 Census.

Waterloo's White Population

16 residents of Waterloo, or 7.5% of the population, identify as White. The share of White residents in Waterloo is significantly lower than in South Carolina overall, where 61.9% of the population is White. Waterloo ranks 392nd statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Waterloo's White population has declined by an estimated 68.0%. White residents' share of Waterloo's population has decreased from 33.6% to 7.5%.

Waterloo is more White than neighboring Coronaca (0% White), and Cokesbury (0% White). Waterloo is less White than neighboring Mountville (100% White), Cross Hill (44.4% White), and Laurens (50.7% White).

Waterloo's Black Population

184 residents of Waterloo, or 86.8% of the population, identify as Black. The share of Black residents in Waterloo is significantly higher than in South Carolina overall, where 24.6% of the population is Black. Waterloo ranks 69th statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Waterloo's Black population has grown by an estimated 97.8%. Black residents' share of Waterloo's population has increased from 62.4% to 86.8%.

Waterloo is more Black than neighboring Mountville (0% Black), Cross Hill (48.6% Black), and Laurens (37.6% Black). Waterloo is less Black than neighboring Coronaca (100% Black), and Cokesbury (100% Black).

Waterloo's Asian Population

5 residents of Waterloo, or 2.4% of the population, identify as Asian. The share of Asian residents in Waterloo is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Waterloo ranks 359th statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, Waterloo's Asian population has grown from 0 to an estimated 5. Asian residents' share of Waterloo's population has increased from 0.0% to 2.4%.

Waterloo is more Asian than neighboring Mountville (0% Asian), Cross Hill (0% Asian), Coronaca (0% Asian), Laurens (0.1% Asian), and Cokesbury (0% Asian).

Waterloo's Hispanic Population

0 residents of Waterloo, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Waterloo is lower than in South Carolina overall, where 7.4% of the population is Hispanic. Waterloo ranks 399th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Waterloo's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Waterloo's population has decreased from 1.3% to 0.0%.

Waterloo is less Hispanic than neighboring Cross Hill (1.8% Hispanic), and Laurens (8.8% Hispanic).

Waterloo's Native American/Other Population

0 residents of Waterloo, 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 Waterloo is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Waterloo ranks 420th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Waterloo's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Waterloo's population has remained roughly unchanged at 0.0%.

Waterloo is less Native American/Other than neighboring Laurens (0.6% Native American/Other).

Waterloo's Multiracial Population

7 residents of Waterloo, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Waterloo is comparable to the share in South Carolina overall, where 3.7% of the population is Multiracial. Waterloo ranks 336th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Waterloo's Multiracial population has grown by an estimated 75.0%. Multiracial residents' share of Waterloo's population has increased from 2.7% to 3.3%.

Waterloo is more Multiracial than neighboring Mountville (0% Multiracial), Coronaca (0% Multiracial), Laurens (2.1% Multiracial), and Cokesbury (0% Multiracial). Waterloo is less Multiracial than neighboring Cross Hill (5.3% 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.