Posen, IL Demographics

A map of Posen's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	3,636	3,458	68.7%	61.4%
Black	823	916	15.6%	16.3%
White	775	1,120	14.6%	19.9%
Multiracial	58	90	1.1%	1.6%
Asian	0	31	0.0%	0.6%
Native American/Other	0	17	0.0%	0.3%

Posen, Illinois has an estimated population of 5,292, a decrease from the 5,632 recorded in the 2020 Census. The population is 68.7% Hispanic, 15.6% Black, 14.6% White, 1.1% Multiracial, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Posen, with one dot drawn for each person counted by the Census, color-coded by race.

Posen 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 Posen, that probability was 55.7% in 2020 and 48.2% in the most recent ACS estimates.

Posen is ranked the 327th 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). Posen was ranked the 320th most populous place in the 2020 Census.

Posen's White Population

775 residents of Posen, or 14.6% of the population, identify as White. The share of White residents in Posen is significantly lower than in Illinois overall, where 58.1% of the population is White. Posen ranks 1420th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Posen's White population has declined by an estimated 30.8%. White residents' share of Posen's population has decreased from 19.9% to 14.6%.

Posen is more White than neighboring Dixmoor (10.8% White), Robbins (5% White), and Markham (9.2% White). Posen is less White than neighboring Blue Island (18% White), and Midlothian (46% White).

Posen's Black Population

823 residents of Posen, or 15.6% of the population, identify as Black. The share of Black residents in Posen is slightly higher than in Illinois overall, where 13.3% of the population is Black. Posen ranks 102nd statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Posen's Black population has declined by an estimated 10.2%. Black residents' share of Posen's population has decreased from 16.3% to 15.6%.

Posen is more Black than neighboring Midlothian (9.3% Black). Posen is less Black than neighboring Dixmoor (44.5% Black), Robbins (78.4% Black), Blue Island (30.7% Black), and Markham (70.4% Black).

Posen's Asian Population

0 residents of Posen, or 0.0% of the population, identify as Asian. The share of Asian residents in Posen is lower than in Illinois overall, where 5.9% of the population is Asian. Posen ranks 589th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Posen's Asian population has declined by an estimated 100.0%. Asian residents' share of Posen's population has decreased from 0.6% to 0.0%.

Posen is less Asian than neighboring Blue Island (0.6% Asian), Markham (0.4% Asian), and Midlothian (2.9% Asian).

Posen's Hispanic Population

3,636 residents of Posen, or 68.7% of the population, identify as Hispanic. The share of Hispanic residents in Posen is significantly higher than in Illinois overall, where 18.8% of the population is Hispanic. Posen ranks 11th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Posen's Hispanic population has grown by an estimated 5.1%. Hispanic residents' share of Posen's population has increased from 61.4% to 68.7%.

Posen is more Hispanic than neighboring Dixmoor (43.2% Hispanic), Robbins (14.1% Hispanic), Blue Island (47.5% Hispanic), Markham (17.8% Hispanic), and Midlothian (36% Hispanic).

Posen's Native American/Other Population

0 residents of Posen, 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 Posen is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Posen ranks 877th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

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

Posen is less Native American/Other than neighboring Dixmoor (0.3% Native American/Other), Robbins (0.6% Native American/Other), and Midlothian (1.3% Native American/Other).

Posen's Multiracial Population

58 residents of Posen, or 1.1% of the population, identify as Multiracial. The share of Multiracial residents in Posen is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Posen ranks 1333rd statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Posen's Multiracial population has declined by an estimated 35.6%. Multiracial residents' share of Posen's population has decreased from 1.6% to 1.1%.

Posen is less Multiracial than neighboring Dixmoor (1.2% Multiracial), Robbins (1.9% Multiracial), Blue Island (3.2% Multiracial), Markham (2.1% Multiracial), and Midlothian (4.3% 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.