Hardin County Demographics

A map of Hardin County's Population by Race

Hardin County, Illinois has an estimated population of 3,605, a slight decrease from the 3,649 recorded in the 2020 Census. The population is 95.7% White, 1.7% Multiracial, 1.4% Black, 0.9% Hispanic, 0.2% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Hardin County, with one dot drawn for each person counted by the Census, color-coded by race.

Hardin 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 Hardin County, that probability was 14.2% in 2020 and 8.3% in the most recent ACS estimates.

Hardin County is ranked the 102nd most populous county in Illinois, out of 102 counties. Hardin County was ranked the 102nd most populous county in the 2020 Census.

Hardin County's White Population

3,451 residents of Hardin County, or 95.7% of the population, identify as White. The share of White residents in Hardin County is significantly higher than in Illinois overall, where 58.1% of the population is White. Hardin County ranks 36th statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, Hardin County's White population has grown by an estimated 2.3%. White residents' share of Hardin County's population has increased from 92.5% to 95.7%.

Hardin County is more White than neighboring Crittenden County (93.8% White), Gallatin County (95% White), Pope County (88.7% White), Livingston County (94.1% White), and Union County (88.1% White).

Hardin County's Black Population

49 residents of Hardin County, or 1.4% of the population, identify as Black. The share of Black residents in Hardin County is considerably lower than in Illinois overall, where 13.3% of the population is Black. Hardin County ranks 95th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, Hardin County's Black population has grown by an estimated 345.5%. Black residents' share of Hardin County's population has increased from 0.3% to 1.4%.

Hardin County is more Black than neighboring Crittenden County (0.4% Black), Gallatin County (1.1% Black), and Livingston County (0.1% Black). Hardin County is less Black than neighboring Pope County (4.8% Black), and Union County (6.9% Black).

Hardin County's Asian Population

0 residents of Hardin County, or 0.0% of the population, identify as Asian. The share of Asian residents in Hardin County is lower than in Illinois overall, where 5.9% of the population is Asian. Hardin County ranks 57th statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, Hardin County's Asian population has declined by an estimated 100.0%. Asian residents' share of Hardin County's population has decreased from 0.5% to 0.0%.

Hardin County is less Asian than neighboring Crittenden County (0.3% Asian), Gallatin County (0.8% Asian), Livingston County (0.1% Asian), and Union County (0.1% Asian).

Hardin County's Hispanic Population

33 residents of Hardin County, or 0.9% of the population, identify as Hispanic. The share of Hispanic residents in Hardin County is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Hardin County ranks 75th statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, Hardin County's Hispanic population has declined by an estimated 49.2%. Hispanic residents' share of Hardin County's population has decreased from 1.8% to 0.9%.

Hardin County is less Hispanic than neighboring Crittenden County (1.8% Hispanic), Gallatin County (1.2% Hispanic), Pope County (3% Hispanic), Livingston County (2.5% Hispanic), and Union County (1.7% Hispanic).

Hardin County's Native American/Other Population

9 residents of Hardin County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hardin County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Hardin County ranks 97th statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, Hardin County's Native American/Other population has grown by an estimated 50.0%. Native American/Other residents' share of Hardin County's population has remained roughly unchanged at 0.2%.

Hardin County is more Native American/Other than neighboring Gallatin County (0.1% Native American/Other), and Livingston County (0.1% Native American/Other). Hardin County is less Native American/Other than neighboring Crittenden County (0.7% Native American/Other), Pope County (0.7% Native American/Other), and Union County (0.4% Native American/Other).

Hardin County's Multiracial Population

63 residents of Hardin County, or 1.7% of the population, identify as Multiracial. The share of Multiracial residents in Hardin County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Hardin County ranks 6th statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, Hardin County's Multiracial population has declined by an estimated 64.2%. Multiracial residents' share of Hardin County's population has decreased from 4.8% to 1.7%.

Hardin County is less Multiracial than neighboring Crittenden County (3.1% Multiracial), Gallatin County (1.8% Multiracial), Pope County (2.8% Multiracial), Livingston County (3.1% Multiracial), and Union County (2.7% 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.