Winthrop Harbor, IL Demographics

A map of Winthrop Harbor's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,961	4,824	75.6%	71.9%
Hispanic	1,118	973	17.0%	14.5%
Black	214	349	3.3%	5.2%
Multiracial	208	340	3.2%	5.1%
Native American/Other	58	64	0.9%	1.0%
Asian	0	155	0.0%	2.3%

Winthrop Harbor, Illinois has an estimated population of 6,559, a slight decrease from the 6,705 recorded in the 2020 Census. The population is 75.6% White, 17.0% Hispanic, 3.3% Black, 3.2% Multiracial, 0.9% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Winthrop Harbor, with one dot drawn for each person counted by the Census, color-coded by race.

Winthrop Harbor has become considerably 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 Winthrop Harbor, that probability was 45.5% in 2020 and 39.7% in the most recent ACS estimates.

Winthrop Harbor is ranked the 295th 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). Winthrop Harbor was ranked the 293rd most populous place in the 2020 Census.

Winthrop Harbor's White Population

4,961 residents of Winthrop Harbor, or 75.6% of the population, identify as White. The share of White residents in Winthrop Harbor is significantly higher than in Illinois overall, where 58.1% of the population is White. Winthrop Harbor ranks 1220th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Winthrop Harbor's White population has grown by an estimated 2.8%. White residents' share of Winthrop Harbor's population has increased from 71.9% to 75.6%.

Winthrop Harbor is more White than neighboring Zion (24.5% White), Beach Park (32.8% White), Wadsworth (71.8% White), and Kenosha (63.6% White). Winthrop Harbor is less White than neighboring Pleasant Prairie (76.8% White).

Winthrop Harbor's Black Population

214 residents of Winthrop Harbor, or 3.3% of the population, identify as Black. The share of Black residents in Winthrop Harbor is lower than in Illinois overall, where 13.3% of the population is Black. Winthrop Harbor ranks 213th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Winthrop Harbor's Black population has declined by an estimated 38.7%. Black residents' share of Winthrop Harbor's population has decreased from 5.2% to 3.3%.

Winthrop Harbor is more Black than neighboring Pleasant Prairie (3.1% Black), and Wadsworth (3.2% Black). Winthrop Harbor is less Black than neighboring Zion (23.1% Black), Beach Park (10.9% Black), and Kenosha (9% Black).

Winthrop Harbor's Asian Population

0 residents of Winthrop Harbor, or 0.0% of the population, identify as Asian. The share of Asian residents in Winthrop Harbor is lower than in Illinois overall, where 5.9% of the population is Asian. Winthrop Harbor ranks 214th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Winthrop Harbor's Asian population has declined by an estimated 100.0%. Asian residents' share of Winthrop Harbor's population has decreased from 2.3% to 0.0%.

Winthrop Harbor is less Asian than neighboring Zion (2.9% Asian), Beach Park (7.2% Asian), Pleasant Prairie (3% Asian), Wadsworth (0.8% Asian), and Kenosha (1.9% Asian).

Winthrop Harbor's Hispanic Population

1,118 residents of Winthrop Harbor, or 17.0% of the population, identify as Hispanic. The share of Hispanic residents in Winthrop Harbor is comparable to the share in Illinois overall, where 18.8% of the population is Hispanic. Winthrop Harbor ranks 179th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Winthrop Harbor's Hispanic population has grown by an estimated 14.9%. Hispanic residents' share of Winthrop Harbor's population has increased from 14.5% to 17.0%.

Winthrop Harbor is more Hispanic than neighboring Pleasant Prairie (12.5% Hispanic). Winthrop Harbor is less Hispanic than neighboring Zion (43.7% Hispanic), Beach Park (47.8% Hispanic), Wadsworth (18% Hispanic), and Kenosha (19.2% Hispanic).

Winthrop Harbor's Native American/Other Population

58 residents of Winthrop Harbor, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Winthrop Harbor is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Winthrop Harbor ranks 144th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Winthrop Harbor's Native American/Other population has declined by an estimated 9.4%. Native American/Other residents' share of Winthrop Harbor's population has remained roughly unchanged at 0.9%.

Winthrop Harbor is more Native American/Other than neighboring Zion (0.5% Native American/Other), Beach Park (0.3% Native American/Other), and Kenosha (0.4% Native American/Other). Winthrop Harbor is less Native American/Other than neighboring Pleasant Prairie (1.7% Native American/Other), and Wadsworth (4.7% Native American/Other).

Winthrop Harbor's Multiracial Population

208 residents of Winthrop Harbor, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Winthrop Harbor is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Winthrop Harbor ranks 247th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Winthrop Harbor's Multiracial population has declined by an estimated 38.8%. Multiracial residents' share of Winthrop Harbor's population has decreased from 5.1% to 3.2%.

Winthrop Harbor is more Multiracial than neighboring Beach Park (1% Multiracial), Pleasant Prairie (2.9% Multiracial), and Wadsworth (1.5% Multiracial). Winthrop Harbor is less Multiracial than neighboring Zion (5.2% Multiracial), and Kenosha (5.9% 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.