Clay County Demographics

A map of Clay County's Population by Race

Clay County, Illinois had a population of 13,288 in 2020. It was 93.9% White, 0.2% Black, 0.6% Asian, 1.7% Hispanic, 0.4% Native American/Other, and 3.2% Multiracial. This map presents the population of Clay County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Clay County is the 80th most populous county of the 102 counties in Illinois.

Clay County's White Population

12,481 residents of Clay County identify as White, or 93.9%. This makes the White share of the population of Clay County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, Clay County is ranked #19 in terms of White residents as a share of the population.

Clay County is more White than neighboring Effingham County (93.3% White), Richland County (93.7% White), and Marion County (87.9% White). Clay County is less White than neighboring Wayne County (95.2% White), and Jasper County (96.2% White).

Clay County's Black Population

30 residents of Clay County identify as Black, or 0.2%. This makes the Black share of the population of Clay County less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, Clay County is ranked #99 in terms of Black residents as a share of the population.

Clay County is less Black than neighboring Effingham County (0.4% Black), Wayne County (0.6% Black), Richland County (0.5% Black), and Marion County (4% Black).

Clay County's Asian Population

77 residents of Clay County identify as Asian, or 0.6%. This makes the Asian share of the population of Clay County slightly less than the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, Clay County is ranked #43 in terms of Asian residents as a share of the population.

Clay County is more Asian than neighboring Wayne County (0.3% Asian), and Jasper County (0.2% Asian). Clay County is less Asian than neighboring Effingham County (0.7% Asian), Richland County (0.8% Asian), and Marion County (0.9% Asian).

Clay County's Hispanic Population

223 residents of Clay County identify as Hispanic, or 1.7%. This makes the Hispanic share of the population of Clay County less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, Clay County is ranked #80 in terms of Hispanic residents as a share of the population.

Clay County is more Hispanic than neighboring Wayne County (1.1% Hispanic), and Jasper County (0.9% Hispanic). Clay County is less Hispanic than neighboring Effingham County (2.5% Hispanic), and Marion County (1.9% Hispanic).

Clay County's Native American/Other Population

51 residents of Clay 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 Clay 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, Clay County is ranked #59 in terms of Native American/Other residents as a share of the population.

Clay County is more Native American/Other than neighboring Effingham County (0.3% Native American/Other). Clay County is less Native American/Other than neighboring Jasper County (0.5% Native American/Other), and Marion County (0.5% Native American/Other).

Clay County's Multiracial Population

426 residents of Clay County identify as Multiracial, or 3.2%. This makes the Multiracial share of the population of Clay County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, Clay County is ranked #60 in terms of Multiracial residents as a share of the population.

Clay County is more Multiracial than neighboring Effingham County (2.7% Multiracial), Wayne County (2.5% Multiracial), Richland County (3% Multiracial), and Jasper County (2% Multiracial). Clay County is less Multiracial than neighboring Marion County (4.8% Multiracial).

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