St. Charles, IL Demographics

A map of St. Charles's Population by Race

St. Charles, Illinois has an estimated population of 32,854, a less than 1% change from the 33,081 recorded in the 2020 Census. The population is 74.7% White, 12.3% Hispanic, 5.0% Multiracial, 4.9% Asian, 2.9% Black, and 0.2% Native American/Other. This demographic dot map shows the population of St. Charles, with one dot drawn for each person counted by the Census, color-coded by race.

St. Charles has become considerably more 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 St. Charles, that probability was 36.1% in 2020 and 42.1% in the most recent ACS estimates.

St. Charles is ranked the 56th 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). St. Charles was ranked the 57th most populous place in the 2020 Census.

St. Charles's White Population

24,549 residents of St. Charles, or 74.7% of the population, identify as White. The share of White residents in St. Charles is significantly higher than in Illinois overall, where 58.1% of the population is White. St. Charles ranks 1128th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, St. Charles's White population has declined by an estimated 5.9%. White residents' share of St. Charles's population has decreased from 78.9% to 74.7%.

St. Charles is more White than neighboring Wayne (70.8% White), South Elgin (57.4% White), and West Chicago (35.3% White). St. Charles is less White than neighboring Geneva (83.5% White), and Batavia (81.8% White).

St. Charles's Black Population

943 residents of St. Charles, or 2.9% of the population, identify as Black. The share of Black residents in St. Charles is considerably lower than in Illinois overall, where 13.3% of the population is Black. St. Charles ranks 409th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, St. Charles's Black population has grown by an estimated 67.8%. Black residents' share of St. Charles's population has increased from 1.7% to 2.9%.

St. Charles is more Black than neighboring Geneva (1.2% Black), and Batavia (2.4% Black). St. Charles is less Black than neighboring Wayne (3.6% Black), South Elgin (4.7% Black), and West Chicago (3% Black).

St. Charles's Asian Population

1,615 residents of St. Charles, or 4.9% of the population, identify as Asian. The share of Asian residents in St. Charles is comparable to the share in Illinois overall, where 5.9% of the population is Asian. St. Charles ranks 136th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, St. Charles's Asian population has grown by an estimated 12.2%. Asian residents' share of St. Charles's population has increased from 4.4% to 4.9%.

St. Charles is more Asian than neighboring Geneva (2.5% Asian), and Batavia (1.5% Asian). St. Charles is less Asian than neighboring Wayne (17.4% Asian), South Elgin (10.9% Asian), and West Chicago (10.3% Asian).

St. Charles's Hispanic Population

4,047 residents of St. Charles, or 12.3% of the population, identify as Hispanic. The share of Hispanic residents in St. Charles is lower than in Illinois overall, where 18.8% of the population is Hispanic. St. Charles ranks 231st statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, St. Charles's Hispanic population has grown by an estimated 8.7%. Hispanic residents' share of St. Charles's population has increased from 11.3% to 12.3%.

St. Charles is more Hispanic than neighboring Geneva (7.5% Hispanic), Wayne (3.6% Hispanic), and Batavia (8.9% Hispanic). St. Charles is less Hispanic than neighboring South Elgin (20.3% Hispanic), and West Chicago (47.8% Hispanic).

St. Charles's Native American/Other Population

71 residents of St. Charles, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Charles is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. St. Charles ranks 720th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, St. Charles's Native American/Other population has declined by an estimated 45.8%. Native American/Other residents' share of St. Charles's population has remained roughly unchanged at 0.2%.

St. Charles is less Native American/Other than neighboring Geneva (0.3% Native American/Other), Wayne (1.6% Native American/Other), South Elgin (1.3% Native American/Other), and Batavia (0.8% Native American/Other).

St. Charles's Multiracial Population

1,629 residents of St. Charles, or 5.0% of the population, identify as Multiracial. The share of Multiracial residents in St. Charles is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. St. Charles ranks 771st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, St. Charles's Multiracial population has grown by an estimated 44.8%. Multiracial residents' share of St. Charles's population has increased from 3.4% to 5.0%.

St. Charles is more Multiracial than neighboring Wayne (3.1% Multiracial), Batavia (4.5% Multiracial), and West Chicago (3.4% Multiracial). St. Charles is less Multiracial than neighboring South Elgin (5.4% 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.