Population By Race and Ethnicity in St. Clair County, MI in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 160,375 population of St. Clair County, Michigan comprised of 5,824 people who identified as Hispanic (3.63%), and 154,551 people who identified as Non-Hispanic (96.37%).

Race: The White Alone population was the largest racial group in St. Clair County, Michigan with a population of 150,659 (93.94%); Black or African American Alone population was the second largest racial group with a population of 4,049 (2.53%); and Two Or More Races was the third largest racial group with a population of 3,807 (2.37%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Michigan in 2020, with a population of 145,739 (90.87%); the second largest ethnic group was White Alone - Hispanic with a population of 4,920 (3.07%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,827 (2.39%).

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

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

See this for other years:
Hispanics and Non Hispanics in St. Clair County, MI in 2020
Total Population:
Race in St. Clair County, MI in 2020
Total Population:
Ethnicity in St. Clair County, MI in 2020
Total Population:
Population By Race in St. Clair , MI in 2020
Race Population Percentage
Black or African American Alone 4,049 2.53%
White Alone 150,659 93.94%
American Indian and Alaska Native Alone 859 0.54%
Asian Alone 949 0.59%
Native Hawaiian And Pacific Islander Alone 52 0.03%
Two Or More Races 3,807 2.37%
Population By Ethnicity in St. Clair , MI in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 222 0.14%
White Alone - Hispanic 4,920 3.07%
American Indian and Alaska Native Alone - Hispanic 211 0.13%
Asian Alone - Hispanic 39 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 11 0.01%
Two Or More Races - Hispanic 421 0.26%
Black or African American Alone - Non Hispanic 3,827 2.39%
White Alone - Non Hispanic 145,739 90.87%
American Indian and Alaska Native Alone - Non Hispanic 648 0.4%
Asian Alone - Non Hispanic 910 0.57%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 41 0.03%
Two Or More Races - Non Hispanic 3,386 2.11%