Census Dots

Randolph County Demographics

A map of Randolph County's Population by Race

Race
PopulationPercent
White
25,46084.4%
Black
2,3817.9%
Multiracial
1,0783.6%
Hispanic
1,0313.4%
Native American/Other
1270.4%
Asian
860.3%

Randolph County, Illinois had a population of 30,163 in 2020. It was 84.4% White, 7.9% Black, 0.3% Asian, 3.4% Hispanic, 0.4% Native American/Other, and 3.6% Multiracial. This map presents the population of Randolph County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Randolph County is the 47th most populous county of the 102 counties in Illinois.

Randolph County's White Population

25,460 residents of Randolph County identify as White, or 84.4%. This makes the White share of the population of Randolph County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, Randolph County is ranked #66 in terms of White residents as a share of the population.

Randolph County is more White than neighboring St. Clair County (58.5% White). Randolph County is less White than neighboring Perry County (93.1% White), Ste. Genevieve County (92.7% White), Monroe County (93.5% White), and Perry County (84.9% White).

Randolph County's Black Population

2,381 residents of Randolph County identify as Black, or 7.9%. This makes the Black share of the population of Randolph County slightly less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, Randolph County is ranked #23 in terms of Black residents as a share of the population.

Randolph County is more Black than neighboring Perry County (0.5% Black), Ste. Genevieve County (1.7% Black), and Monroe County (0.3% Black). Randolph County is less Black than neighboring St. Clair County (29.5% Black).

Randolph County's Asian Population

86 residents of Randolph County identify as Asian, or 0.3%. This makes the Asian share of the population of Randolph County slightly less than the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, Randolph County is ranked #86 in terms of Asian residents as a share of the population.

Randolph County is more Asian than neighboring Ste. Genevieve County (0.2% Asian). Randolph County is less Asian than neighboring Perry County (0.6% Asian), Monroe County (0.5% Asian), St. Clair County (1.4% Asian), and Perry County (0.6% Asian).

Randolph County's Hispanic Population

1,031 residents of Randolph County identify as Hispanic, or 3.4%. This makes the Hispanic share of the population of Randolph County less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, Randolph County is ranked #46 in terms of Hispanic residents as a share of the population.

Randolph County is more Hispanic than neighboring Perry County (2% Hispanic), Ste. Genevieve County (1.5% Hispanic), and Monroe County (1.8% Hispanic). Randolph County is less Hispanic than neighboring St. Clair County (4.9% Hispanic).

Randolph County's Native American/Other Population

127 residents of Randolph County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Randolph 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, Randolph County is ranked #46 in terms of Native American/Other residents as a share of the population.

Randolph County is more Native American/Other than neighboring Perry County (0.3% Native American/Other), Monroe County (0.3% Native American/Other), and Perry County (0.3% Native American/Other). Randolph County is less Native American/Other than neighboring St. Clair County (0.7% Native American/Other).

Randolph County's Multiracial Population

1,078 residents of Randolph County identify as Multiracial, or 3.6%. This makes the Multiracial share of the population of Randolph County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, Randolph County is ranked #40 in terms of Multiracial residents as a share of the population.

Randolph County is more Multiracial than neighboring Perry County (3.4% Multiracial), Monroe County (3.5% Multiracial), and Perry County (2.9% Multiracial). Randolph County is less Multiracial than neighboring St. Clair County (5% Multiracial).

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