South Beloit, IL Demographics

A map of South Beloit's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,065	6,080	76.3%	76.1%
Hispanic	910	918	11.5%	11.5%
Multiracial	617	469	7.8%	5.9%
Black	253	340	3.2%	4.3%
Asian	90	136	1.1%	1.7%
Native American/Other	11	46	0.1%	0.6%

South Beloit, Illinois has an estimated population of 7,946, a less than 1% change from the 7,989 recorded in the 2020 Census. The population is 76.3% White, 11.5% Hispanic, 7.8% Multiracial, 3.2% Black, 1.1% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of South Beloit, with one dot drawn for each person counted by the Census, color-coded by race.

South Beloit is about as racially diverse as it was in 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 South Beloit, that probability was 40.2% in 2020 and 39.7% in the most recent ACS estimates.

South Beloit is ranked the 268th 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). South Beloit was ranked the 266th most populous place in the 2020 Census.

South Beloit's White Population

6,065 residents of South Beloit, or 76.3% of the population, identify as White. The share of White residents in South Beloit is significantly higher than in Illinois overall, where 58.1% of the population is White. South Beloit ranks 1173rd statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, South Beloit's White population has remained roughly the same. White residents' share of South Beloit's population has remained roughly unchanged at 76.3%.

South Beloit is more White than neighboring Beloit (59.4% White). South Beloit is less White than neighboring Rockton (80.2% White), Roscoe (80.7% White), Machesney Park (80.2% White), and Shopiere (100% White).

South Beloit's Black Population

253 residents of South Beloit, or 3.2% of the population, identify as Black. The share of Black residents in South Beloit is considerably lower than in Illinois overall, where 13.3% of the population is Black. South Beloit ranks 234th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, South Beloit's Black population has declined by an estimated 25.6%. Black residents' share of South Beloit's population has decreased from 4.3% to 3.2%.

South Beloit is more Black than neighboring Rockton (0.8% Black), Machesney Park (2% Black), and Shopiere (0% Black). South Beloit is less Black than neighboring Beloit (13.9% Black), and Roscoe (3.7% Black).

South Beloit's Asian Population

90 residents of South Beloit, or 1.1% of the population, identify as Asian. The share of Asian residents in South Beloit is slightly lower than in Illinois overall, where 5.9% of the population is Asian. South Beloit ranks 270th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, South Beloit's Asian population has declined by an estimated 33.8%. Asian residents' share of South Beloit's population has decreased from 1.7% to 1.1%.

South Beloit is more Asian than neighboring Beloit (0.8% Asian), and Shopiere (0% Asian). South Beloit is less Asian than neighboring Rockton (1.6% Asian), Roscoe (2.2% Asian), and Machesney Park (2.1% Asian).

South Beloit's Hispanic Population

910 residents of South Beloit, or 11.5% of the population, identify as Hispanic. The share of Hispanic residents in South Beloit is lower than in Illinois overall, where 18.8% of the population is Hispanic. South Beloit ranks 223rd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, South Beloit's Hispanic population has remained roughly the same. Hispanic residents' share of South Beloit's population has remained roughly unchanged at 11.5%.

South Beloit is more Hispanic than neighboring Roscoe (8.9% Hispanic), Machesney Park (8.6% Hispanic), and Shopiere (0% Hispanic). South Beloit is less Hispanic than neighboring Beloit (21% Hispanic), and Rockton (12.4% Hispanic).

South Beloit's Native American/Other Population

11 residents of South Beloit, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in South Beloit is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. South Beloit ranks 409th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, South Beloit's Native American/Other population has declined by an estimated 76.1%. Native American/Other residents' share of South Beloit's population has decreased from 0.6% to 0.1%.

South Beloit is more Native American/Other than neighboring Rockton (0% Native American/Other), and Shopiere (0% Native American/Other). South Beloit is less Native American/Other than neighboring Roscoe (0.2% Native American/Other), and Machesney Park (0.6% Native American/Other).

South Beloit's Multiracial Population

617 residents of South Beloit, or 7.8% of the population, identify as Multiracial. The share of Multiracial residents in South Beloit is slightly higher than in Illinois overall, where 3.4% of the population is Multiracial. South Beloit ranks 143rd statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, South Beloit's Multiracial population has grown by an estimated 31.6%. Multiracial residents' share of South Beloit's population has increased from 5.9% to 7.8%.

South Beloit is more Multiracial than neighboring Beloit (4.9% Multiracial), Rockton (5% Multiracial), Roscoe (4.3% Multiracial), Machesney Park (6.4% Multiracial), and Shopiere (0% 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.