Census Dots

Clinton County Demographics

A map of Clinton County's Population by Race

Race
PopulationPercent
White
32,84589.0%
Hispanic
1,3873.8%
Multiracial
1,1743.2%
Black
1,1403.1%
Native American/Other
1780.5%
Asian
1750.5%

Clinton County, Illinois had a population of 36,899 in 2020. It was 89.0% White, 3.1% Black, 0.5% Asian, 3.8% Hispanic, 0.5% Native American/Other, and 3.2% Multiracial. This map presents the population of Clinton County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Clinton County is the 38th most populous county of the 102 counties in Illinois.

Clinton County's White Population

32,845 residents of Clinton County identify as White, or 89.0%. This makes the White share of the population of Clinton County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, Clinton County is ranked #48 in terms of White residents as a share of the population.

Clinton County is more White than neighboring Bond County (85.3% White), Marion County (87.9% White), St. Clair County (58.5% White), and Perry County (84.9% White). Clinton County is less White than neighboring Washington County (94.3% White).

Clinton County's Black Population

1,140 residents of Clinton County identify as Black, or 3.1%. This makes the Black share of the population of Clinton County slightly less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, Clinton County is ranked #48 in terms of Black residents as a share of the population.

Clinton County is more Black than neighboring Washington County (0.6% Black). Clinton County is less Black than neighboring Bond County (6.4% Black), Marion County (4% Black), St. Clair County (29.5% Black), and Perry County (7.9% Black).

Clinton County's Asian Population

175 residents of Clinton County identify as Asian, or 0.5%. This makes the Asian share of the population of Clinton County slightly less than the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, Clinton County is ranked #54 in terms of Asian residents as a share of the population.

Clinton County is less Asian than neighboring Bond County (0.6% Asian), Marion County (0.9% Asian), St. Clair County (1.4% Asian), and Perry County (0.6% Asian).

Clinton County's Hispanic Population

1,387 residents of Clinton County identify as Hispanic, or 3.8%. This makes the Hispanic share of the population of Clinton County less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, Clinton County is ranked #43 in terms of Hispanic residents as a share of the population.

Clinton County is more Hispanic than neighboring Washington County (1.6% Hispanic), Bond County (3.6% Hispanic), Marion County (1.9% Hispanic), and Perry County (3.4% Hispanic). Clinton County is less Hispanic than neighboring St. Clair County (4.9% Hispanic).

Clinton County's Native American/Other Population

178 residents of Clinton County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.5%. This makes the Native American/Other share of the population of Clinton 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, Clinton County is ranked #35 in terms of Native American/Other residents as a share of the population.

Clinton County is more Native American/Other than neighboring Washington County (0.4% Native American/Other), and Perry County (0.3% Native American/Other). Clinton County is less Native American/Other than neighboring Bond County (0.9% Native American/Other), and St. Clair County (0.7% Native American/Other).

Clinton County's Multiracial Population

1,174 residents of Clinton County identify as Multiracial, or 3.2%. This makes the Multiracial share of the population of Clinton County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, Clinton County is ranked #63 in terms of Multiracial residents as a share of the population.

Clinton County is more Multiracial than neighboring Washington County (2.6% Multiracial), and Perry County (2.9% Multiracial). Clinton County is less Multiracial than neighboring Marion County (4.8% Multiracial), and St. Clair County (5% Multiracial).

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