Jefferson County Demographics
A map of Jefferson County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 31,182 | 84.0% |
Black | 2,783 | 7.5% |
Multiracial | 1,745 | 4.7% |
Hispanic | 899 | 2.4% |
Asian | 352 | 0.9% |
Native American/Other | 152 | 0.4% |
Jefferson County, Illinois had a population of 37,113 in 2020. It was 84.0% White, 7.5% Black, 0.9% Asian, 2.4% Hispanic, 0.4% Native American/Other, and 4.7% Multiracial. This map presents the population of Jefferson County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.
Jefferson County is the 37th most populous county of the 102 counties in Illinois.
Jefferson County's White Population
31,182 residents of Jefferson County identify as White, or 84.0%. This makes the White share of the population of Jefferson County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, Jefferson County is ranked #67 in terms of White residents as a share of the population.
Jefferson County is less White than neighboring Franklin County (93.1% White), Marion County (87.9% White), Hamilton County (94.8% White), Washington County (94.3% White), and Perry County (84.9% White).
Jefferson County's Black Population
2,783 residents of Jefferson County identify as Black, or 7.5%. This makes the Black share of the population of Jefferson County slightly less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, Jefferson County is ranked #25 in terms of Black residents as a share of the population.
Jefferson County is more Black than neighboring Franklin County (0.4% Black), Marion County (4% Black), Hamilton County (0.5% Black), and Washington County (0.6% Black). Jefferson County is less Black than neighboring Perry County (7.9% Black).
Jefferson County's Asian Population
352 residents of Jefferson County identify as Asian, or 0.9%. This makes the Asian share of the population of Jefferson County roughly similar to the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, Jefferson County is ranked #26 in terms of Asian residents as a share of the population.
Jefferson County is more Asian than neighboring Franklin County (0.3% Asian), Hamilton County (0.2% Asian), Washington County (0.5% Asian), and Perry County (0.6% Asian).
Jefferson County's Hispanic Population
899 residents of Jefferson County identify as Hispanic, or 2.4%. This makes the Hispanic share of the population of Jefferson County less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, Jefferson County is ranked #61 in terms of Hispanic residents as a share of the population.
Jefferson County is more Hispanic than neighboring Franklin County (1.7% Hispanic), Marion County (1.9% Hispanic), Hamilton County (1.2% Hispanic), and Washington County (1.6% Hispanic). Jefferson County is less Hispanic than neighboring Perry County (3.4% Hispanic).
Jefferson County's Native American/Other Population
152 residents of Jefferson 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 Jefferson 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, Jefferson County is ranked #51 in terms of Native American/Other residents as a share of the population.
Jefferson County is more Native American/Other than neighboring Hamilton County (0.2% Native American/Other), and Perry County (0.3% Native American/Other). Jefferson County is less Native American/Other than neighboring Marion County (0.5% Native American/Other).
Jefferson County's Multiracial Population
1,745 residents of Jefferson County identify as Multiracial, or 4.7%. This makes the Multiracial share of the population of Jefferson County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, Jefferson County is ranked #10 in terms of Multiracial residents as a share of the population.
Jefferson County is more Multiracial than neighboring Franklin County (4% Multiracial), Hamilton County (3.2% Multiracial), Washington County (2.6% Multiracial), and Perry County (2.9% Multiracial). Jefferson County is less Multiracial than neighboring Marion County (4.8% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.