Grand Detour, IL Demographics

A map of Grand Detour's Population by Race

Grand Detour, Illinois has an estimated population of 297, a large decrease from the 424 recorded in the 2020 Census. The population is 65.7% White, 34.3% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Grand Detour, with one dot drawn for each person counted by the Census, color-coded by race.

Grand Detour 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 Grand Detour, that probability was 15.6% in 2020 and 45.1% in the most recent ACS estimates.

Grand Detour is ranked the 1083rd 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). Grand Detour was ranked the 980th most populous place in the 2020 Census.

Grand Detour's White Population

195 residents of Grand Detour, or 65.7% of the population, identify as White. The share of White residents in Grand Detour is higher than in Illinois overall, where 58.1% of the population is White. Grand Detour ranks 633rd statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Grand Detour's White population has declined by an estimated 49.9%. White residents' share of Grand Detour's population has decreased from 91.7% to 65.7%.

Grand Detour is less White than neighboring Lost Nation (100% White), Nachusa (72% White), Dixon (76.4% White), Franklin Grove (84.7% White), and Oregon (90.3% White).

Grand Detour's Black Population

0 residents of Grand Detour, or 0.0% of the population, identify as Black. The share of Black residents in Grand Detour is considerably lower than in Illinois overall, where 13.3% of the population is Black. Grand Detour ranks 600th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Grand Detour's Black population has declined by an estimated 100.0%. Black residents' share of Grand Detour's population has decreased from 0.9% to 0.0%.

Grand Detour is less Black than neighboring Nachusa (6.1% Black), Dixon (10.1% Black), Franklin Grove (0.8% Black), and Oregon (0.8% Black).

Grand Detour's Asian Population

0 residents of Grand Detour, or 0.0% of the population, identify as Asian. The share of Asian residents in Grand Detour is lower than in Illinois overall, where 5.9% of the population is Asian. Grand Detour ranks 877th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Grand Detour's Asian population has declined by an estimated 100.0%. Asian residents' share of Grand Detour's population has remained roughly unchanged at 0.0%.

Grand Detour is less Asian than neighboring Dixon (1.4% Asian), Franklin Grove (0.3% Asian), and Oregon (0.5% Asian).

Grand Detour's Hispanic Population

102 residents of Grand Detour, or 34.3% of the population, identify as Hispanic. The share of Hispanic residents in Grand Detour is significantly higher than in Illinois overall, where 18.8% of the population is Hispanic. Grand Detour ranks 533rd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Grand Detour's Hispanic population has grown by an estimated 410.0%. Hispanic residents' share of Grand Detour's population has increased from 4.7% to 34.3%.

Grand Detour is more Hispanic than neighboring Lost Nation (0% Hispanic), Nachusa (0% Hispanic), Dixon (9.1% Hispanic), Franklin Grove (8.7% Hispanic), and Oregon (4.9% Hispanic).

Grand Detour's Native American/Other Population

0 residents of Grand Detour, 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 Grand Detour is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Grand Detour ranks 578th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Grand Detour's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Grand Detour's population has decreased from 0.5% to 0.0%.

Grand Detour is less Native American/Other than neighboring Nachusa (1.2% Native American/Other), Dixon (0.1% Native American/Other), and Oregon (0.3% Native American/Other).

Grand Detour's Multiracial Population

0 residents of Grand Detour, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Grand Detour is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Grand Detour ranks 1270th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Grand Detour's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Grand Detour's population has decreased from 1.9% to 0.0%.

Grand Detour is less Multiracial than neighboring Nachusa (20.7% Multiracial), Dixon (2.9% Multiracial), Franklin Grove (5.5% Multiracial), and Oregon (3.1% 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.