Population By Race and Ethnicity in St. Clair County, IL in 2016

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2016, the 263,482 population of St. Clair County, Illinois comprised of 10,478 people who identified as Hispanic (3.98%), and 253,004 people who identified as Non-Hispanic (96.02%).

Race: The White Alone population was the largest racial group in St. Clair County, Illinois with a population of 172,248 (65.37%); Black or African American Alone population was the second largest racial group with a population of 80,109 (30.4%); and Two Or More Races was the third largest racial group with a population of 6,288 (2.39%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Illinois in 2016, with a population of 163,560 (62.08%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 79,361 (30.12%); and the third largest ethnic group was White Alone - Hispanic with a population of 8,688 (3.3%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in St. Clair, 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 St. Clair County, IL in 2016

Total Population:263,482

Non Hispanic (96.02%)

Hispanic (3.98%)

Race in St. Clair County, IL in 2016

Total Population:263,482

White Alone (65.37%)

Black or African American Alone (30.4%)

Two or more races (2.39%)

Asian Alone (1.39%)

American Indian and Alaska Native Alone (0.35%)

Native Hawaiian And Pacific Islander Alone (0.1%)

Ethnicity in St. Clair County, IL in 2016

Total Population:263,482

Non-Hispanic White Alone (62.08%)

Non-Hispanic Black or African American Alone (30.12%)

Hispanic White Alone (3.3%)

Non-Hispanic Two or more races (2.17%)

Non-Hispanic Asian Alone (1.34%)

All Other Ethnicities (1.00%)

Population By Race in St. Clair , IL in 2016

Race	Population	Percentage
White Alone	172,248	65.37%
Black or African American Alone	80,109	30.4%
Two Or More Races	6,288	2.39%
Asian Alone	3,658	1.39%
American Indian and Alaska Native Alone	923	0.35%
Native Hawaiian And Pacific Islander Alone	256	0.1%

Population By Ethnicity in St. Clair , IL in 2016

Ethnicity	Population	Percentage
White Alone - Non Hispanic	163,560	62.08%
Black or African American Alone - Non Hispanic	79,361	30.12%
White Alone - Hispanic	8,688	3.3%
Two Or More Races - Non Hispanic	5,723	2.17%
Asian Alone - Non Hispanic	3,529	1.34%
Black or African American Alone - Hispanic	748	0.28%
American Indian and Alaska Native Alone - Non Hispanic	612	0.23%
Two Or More Races - Hispanic	565	0.21%
American Indian and Alaska Native Alone - Hispanic	311	0.12%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	219	0.08%
Asian Alone - Hispanic	129	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	37	0.01%