Oak Grove, IL Demographics

A map of Oak Grove's Population by Race

Oak Grove, Illinois has an estimated population of 277, a dramatic decrease from the 476 recorded in the 2020 Census. The population is 92.8% White, 2.9% Multiracial, 2.5% Hispanic, 1.8% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Oak Grove, with one dot drawn for each person counted by the Census, color-coded by race.

Oak Grove 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 Oak Grove, that probability was 23.6% in 2020 and 13.7% in the most recent ACS estimates.

Oak Grove is ranked the 1107th 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). Oak Grove was ranked the 938th most populous place in the 2020 Census.

Oak Grove's White Population

257 residents of Oak Grove, or 92.8% of the population, identify as White. The share of White residents in Oak Grove is significantly higher than in Illinois overall, where 58.1% of the population is White. Oak Grove ranks 940th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Oak Grove's White population has declined by an estimated 37.9%. White residents' share of Oak Grove's population has increased from 87.0% to 92.8%.

Oak Grove is more White than neighboring Coyne Center (87.8% White), Milan (81.7% White), Rock Island (62.5% White), and Preemption (84.3% White). Oak Grove is less White than neighboring Taylor Ridge (100% White).

Oak Grove's Black Population

0 residents of Oak Grove, or 0.0% of the population, identify as Black. The share of Black residents in Oak Grove is considerably lower than in Illinois overall, where 13.3% of the population is Black. Oak Grove ranks 1104th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Oak Grove's Black population has grown from 0 to an estimated 0. Black residents' share of Oak Grove's population has remained roughly unchanged at 0.0%.

Oak Grove is less Black than neighboring Milan (1.9% Black), and Rock Island (15.6% Black).

Oak Grove's Asian Population

5 residents of Oak Grove, or 1.8% of the population, identify as Asian. The share of Asian residents in Oak Grove is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Oak Grove ranks 364th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Oak Grove's Asian population has remained roughly the same. Asian residents' share of Oak Grove's population has increased from 1.1% to 1.8%.

Oak Grove is more Asian than neighboring Coyne Center (0% Asian), Milan (1.4% Asian), Preemption (0% Asian), and Taylor Ridge (0% Asian). Oak Grove is less Asian than neighboring Rock Island (3.8% Asian).

Oak Grove's Hispanic Population

7 residents of Oak Grove, or 2.5% of the population, identify as Hispanic. The share of Hispanic residents in Oak Grove is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Oak Grove ranks 375th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Oak Grove's Hispanic population has declined by an estimated 79.4%. Hispanic residents' share of Oak Grove's population has decreased from 7.1% to 2.5%.

Oak Grove is more Hispanic than neighboring Preemption (0% Hispanic), and Taylor Ridge (0% Hispanic). Oak Grove is less Hispanic than neighboring Coyne Center (2.9% Hispanic), Milan (10.7% Hispanic), and Rock Island (13.3% Hispanic).

Oak Grove's Native American/Other Population

0 residents of Oak Grove, 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 Oak Grove is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Oak Grove ranks 1009th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Oak Grove's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Oak Grove's population has remained roughly unchanged at 0.0%.

Oak Grove is less Native American/Other than neighboring Milan (0.3% Native American/Other), and Rock Island (0.6% Native American/Other).

Oak Grove's Multiracial Population

8 residents of Oak Grove, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Oak Grove is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Oak Grove ranks 340th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Oak Grove's Multiracial population has declined by an estimated 63.6%. Multiracial residents' share of Oak Grove's population has decreased from 4.6% to 2.9%.

Oak Grove is more Multiracial than neighboring Taylor Ridge (0% Multiracial). Oak Grove is less Multiracial than neighboring Coyne Center (9.3% Multiracial), Milan (4% Multiracial), Rock Island (4.3% Multiracial), and Preemption (15.7% 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.