Opdyke, IL Demographics

A map of Opdyke's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	242	220	98.4%	93.2%
Hispanic	2	2	0.8%	0.8%
Multiracial	2	11	0.8%	4.7%
Black	0	3	0.0%	1.3%
Asian	0	0	0.0%	0.0%
Native American/Other	0	0	0.0%	0.0%

Opdyke, Illinois has an estimated population of 246, an increase from the 236 recorded in the 2020 Census. The population is 98.4% White, 0.8% Hispanic, 0.8% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Opdyke, with one dot drawn for each person counted by the Census, color-coded by race.

Opdyke 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 Opdyke, that probability was 12.9% in 2020 and 3.2% in the most recent ACS estimates.

Opdyke is ranked the 1143rd 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). Opdyke was ranked the 1142nd most populous place in the 2020 Census.

Opdyke's White Population

242 residents of Opdyke, or 98.4% of the population, identify as White. The share of White residents in Opdyke is significantly higher than in Illinois overall, where 58.1% of the population is White. Opdyke ranks 439th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Opdyke's White population has grown by an estimated 10.0%. White residents' share of Opdyke's population has increased from 93.2% to 98.4%.

Opdyke is more White than neighboring Belle Rive (84.3% White), Bluford (96.9% White), Bonnie (91.1% White), and Mount Vernon (75.7% White). Opdyke is less White than neighboring Dahlgren (98.8% White).

Opdyke's Black Population

0 residents of Opdyke, or 0.0% of the population, identify as Black. The share of Black residents in Opdyke is considerably lower than in Illinois overall, where 13.3% of the population is Black. Opdyke ranks 494th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Opdyke's Black population has declined by an estimated 100.0%. Black residents' share of Opdyke's population has decreased from 1.3% to 0.0%.

Opdyke is less Black than neighboring Mount Vernon (11% Black).

Opdyke's Asian Population

0 residents of Opdyke, or 0.0% of the population, identify as Asian. The share of Asian residents in Opdyke is lower than in Illinois overall, where 5.9% of the population is Asian. Opdyke ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

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

Opdyke is less Asian than neighboring Dahlgren (1.2% Asian), and Mount Vernon (1% Asian).

Opdyke's Hispanic Population

2 residents of Opdyke, or 0.8% of the population, identify as Hispanic. The share of Hispanic residents in Opdyke is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Opdyke ranks 1284th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Opdyke's Hispanic population has remained roughly the same. Hispanic residents' share of Opdyke's population has remained roughly unchanged at 0.8%.

Opdyke is more Hispanic than neighboring Dahlgren (0% Hispanic). Opdyke is less Hispanic than neighboring Belle Rive (10.2% Hispanic), Bluford (2.1% Hispanic), Bonnie (1.5% Hispanic), and Mount Vernon (4.5% Hispanic).

Opdyke's Native American/Other Population

0 residents of Opdyke, 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 Opdyke is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Opdyke ranks 1139th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Opdyke's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Opdyke's population has remained roughly unchanged at 0.0%.

Opdyke is less Native American/Other than neighboring Belle Rive (0.8% Native American/Other), Bluford (0.6% Native American/Other), Bonnie (0.2% Native American/Other), and Mount Vernon (1% Native American/Other).

Opdyke's Multiracial Population

2 residents of Opdyke, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Opdyke is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Opdyke ranks 330th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Opdyke's Multiracial population has declined by an estimated 81.8%. Multiracial residents' share of Opdyke's population has decreased from 4.7% to 0.8%.

Opdyke is more Multiracial than neighboring Bluford (0.4% Multiracial), and Dahlgren (0% Multiracial). Opdyke is less Multiracial than neighboring Belle Rive (4.7% Multiracial), Bonnie (7.2% Multiracial), and Mount Vernon (6.8% 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.