Hennepin, IL Demographics

A map of Hennepin's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	849	699	91.4%	90.9%
Hispanic	58	41	6.2%	5.3%
Multiracial	20	21	2.2%	2.7%
Black	2	4	0.2%	0.5%
Asian	0	3	0.0%	0.4%
Native American/Other	0	1	0.0%	0.1%

Hennepin, Illinois has an estimated population of 929, a large increase from the 769 recorded in the 2020 Census. The population is 91.4% White, 6.2% Hispanic, 2.2% Multiracial, 0.2% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Hennepin, with one dot drawn for each person counted by the Census, color-coded by race.

Hennepin has become slightly 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 Hennepin, that probability was 17.0% in 2020 and 16.0% in the most recent ACS estimates.

Hennepin is ranked the 719th 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). Hennepin was ranked the 772nd most populous place in the 2020 Census.

Hennepin's White Population

849 residents of Hennepin, or 91.4% of the population, identify as White. The share of White residents in Hennepin is significantly higher than in Illinois overall, where 58.1% of the population is White. Hennepin ranks 716th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hennepin's White population has grown by an estimated 21.5%. White residents' share of Hennepin's population has increased from 90.9% to 91.4%.

Hennepin is more White than neighboring Bureau Junction (79.2% White), Mark (89.5% White), De Pue (29.4% White), and Granville (83.2% White). Hennepin is less White than neighboring Hollowayville (96% White).

Hennepin's Black Population

2 residents of Hennepin, or 0.2% of the population, identify as Black. The share of Black residents in Hennepin is considerably lower than in Illinois overall, where 13.3% of the population is Black. Hennepin ranks 845th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hennepin's Black population has declined by an estimated 50.0%. Black residents' share of Hennepin's population has remained roughly unchanged at 0.2%.

Hennepin is more Black than neighboring Bureau Junction (0% Black), Mark (0% Black), and Hollowayville (0% Black). Hennepin is less Black than neighboring De Pue (0.5% Black), and Granville (1.2% Black).

Hennepin's Asian Population

0 residents of Hennepin, or 0.0% of the population, identify as Asian. The share of Asian residents in Hennepin is lower than in Illinois overall, where 5.9% of the population is Asian. Hennepin ranks 736th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

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

Hennepin is less Asian than neighboring De Pue (3.5% Asian).

Hennepin's Hispanic Population

58 residents of Hennepin, or 6.2% of the population, identify as Hispanic. The share of Hispanic residents in Hennepin is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Hennepin ranks 467th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hennepin's Hispanic population has grown by an estimated 41.5%. Hispanic residents' share of Hennepin's population has increased from 5.3% to 6.2%.

Hennepin is more Hispanic than neighboring Hollowayville (4% Hispanic). Hennepin is less Hispanic than neighboring Bureau Junction (16.3% Hispanic), Mark (10.3% Hispanic), De Pue (64.9% Hispanic), and Granville (11.4% Hispanic).

Hennepin's Native American/Other Population

0 residents of Hennepin, 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 Hennepin is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Hennepin ranks 1094th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

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

Hennepin is less Native American/Other than neighboring Mark (0.2% Native American/Other), De Pue (0.1% Native American/Other), and Granville (2.1% Native American/Other).

Hennepin's Multiracial Population

20 residents of Hennepin, or 2.2% of the population, identify as Multiracial. The share of Multiracial residents in Hennepin is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Hennepin ranks 1031st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hennepin's Multiracial population has declined by an estimated 4.8%. Multiracial residents' share of Hennepin's population has decreased from 2.7% to 2.2%.

Hennepin is more Multiracial than neighboring Mark (0% Multiracial), De Pue (1.7% Multiracial), and Hollowayville (0% Multiracial). Hennepin is less Multiracial than neighboring Bureau Junction (4.5% 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.