Population By Race and Ethnicity in Williamson County, IL in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 67,114 population of Williamson County, Illinois comprised of 1,824 people who identified as Hispanic (2.72%), and 65,290 people who identified as Non-Hispanic (97.28%).

Race: The White Alone population was the largest racial group in Williamson County, Illinois with a population of 61,335 (91.39%); Black or African American Alone population was the second largest racial group with a population of 3,278 (4.88%); and Two Or More Races was the third largest racial group with a population of 1,291 (1.92%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Williamson County, Illinois in 2020, with a population of 59,796 (89.1%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,156 (4.7%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,539 (2.29%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Williamson, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Williamson County, IL in 2020

Total Population:67,114

Non Hispanic (97.28%)

Hispanic (2.72%)

Race in Williamson County, IL in 2020

Total Population:67,114

White Alone (91.39%)

Black or African American Alone (4.88%)

Two or more races (1.92%)

Asian Alone (1.33%)

American Indian and Alaska Native Alone (0.45%)

Native Hawaiian And Pacific Islander Alone (0.03%)

Ethnicity in Williamson County, IL in 2020

Total Population:67,114

Non-Hispanic White Alone (89.1%)

Non-Hispanic Black or African American Alone (4.7%)

Hispanic White Alone (2.29%)

Non-Hispanic Two or more races (1.82%)

Non-Hispanic Asian Alone (1.31%)

All Other Ethnicities (0.78%)

Population By Race in Williamson , IL in 2020

Race	Population	Percentage
White Alone	61,335	91.39%
Black or African American Alone	3,278	4.88%
Two Or More Races	1,291	1.92%
Asian Alone	889	1.33%
American Indian and Alaska Native Alone	302	0.45%
Native Hawaiian And Pacific Islander Alone	19	0.03%

Population By Ethnicity in Williamson , IL in 2020

Ethnicity	Population	Percentage
White Alone - Non Hispanic	59,796	89.1%
Black or African American Alone - Non Hispanic	3,156	4.7%
White Alone - Hispanic	1,539	2.29%
Two Or More Races - Non Hispanic	1,222	1.82%
Asian Alone - Non Hispanic	881	1.31%
American Indian and Alaska Native Alone - Non Hispanic	220	0.33%
Black or African American Alone - Hispanic	122	0.18%
American Indian and Alaska Native Alone - Hispanic	82	0.12%
Two Or More Races - Hispanic	69	0.1%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	15	0.02%
Asian Alone - Hispanic	8	0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic	4	0.01%