Henry County Demographics

A map of Henry County's Population by Race

Henry County, Illinois had a population of 49,284 in 2020. It was 87.4% White, 2.1% Black, 0.4% Asian, 6.4% Hispanic, 0.3% Native American/Other, and 3.3% Multiracial. This map presents the population of Henry County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Henry County is the 30th most populous county of the 102 counties in Illinois.

Henry County's White Population

43,094 residents of Henry County identify as White, or 87.4%. This makes the White share of the population of Henry County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, Henry County is ranked #55 in terms of White residents as a share of the population.

Henry County is more White than neighboring Knox County (79.3% White), Rock Island County (67.5% White), Whiteside County (81.4% White), and Scott County (77% White). Henry County is less White than neighboring Stark County (93.9% White).

Henry County's Black Population

1,029 residents of Henry County identify as Black, or 2.1%. This makes the Black share of the population of Henry County slightly less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, Henry County is ranked #53 in terms of Black residents as a share of the population.

Henry County is more Black than neighboring Stark County (0.3% Black), and Whiteside County (1.3% Black). Henry County is less Black than neighboring Knox County (8.7% Black), Rock Island County (11.2% Black), and Scott County (7.8% Black).

Henry County's Asian Population

192 residents of Henry County identify as Asian, or 0.4%. This makes the Asian share of the population of Henry County slightly less than the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, Henry County is ranked #68 in terms of Asian residents as a share of the population.

Henry County is less Asian than neighboring Knox County (0.7% Asian), Rock Island County (2.8% Asian), Whiteside County (0.5% Asian), and Scott County (2.8% Asian).

Henry County's Hispanic Population

3,170 residents of Henry County identify as Hispanic, or 6.4%. This makes the Hispanic share of the population of Henry County slightly less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, Henry County is ranked #24 in terms of Hispanic residents as a share of the population.

Henry County is more Hispanic than neighboring Stark County (2.4% Hispanic), and Knox County (6.1% Hispanic). Henry County is less Hispanic than neighboring Rock Island County (13.7% Hispanic), Whiteside County (12.8% Hispanic), and Scott County (6.9% Hispanic).

Henry County's Native American/Other Population

169 residents of Henry County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.3%. This makes the Native American/Other share of the population of Henry County roughly similar to the Native American/Other share of the population of Illinois (0.5% Native American/Other). Of the 102 counties in Illinois, Henry County is ranked #77 in terms of Native American/Other residents as a share of the population.

Henry County is more Native American/Other than neighboring Stark County (0.2% Native American/Other). Henry County is less Native American/Other than neighboring Knox County (0.6% Native American/Other), Rock Island County (0.5% Native American/Other), Whiteside County (0.4% Native American/Other), and Scott County (0.5% Native American/Other).

Henry County's Multiracial Population

1,630 residents of Henry County identify as Multiracial, or 3.3%. This makes the Multiracial share of the population of Henry County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, Henry County is ranked #52 in terms of Multiracial residents as a share of the population.

Henry County is more Multiracial than neighboring Stark County (2.7% Multiracial). Henry County is less Multiracial than neighboring Knox County (4.6% Multiracial), Rock Island County (4.3% Multiracial), Whiteside County (3.5% Multiracial), and Scott County (4.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.