Population By Race and Ethnicity in St. Clair County, MI in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 160,384 population of St. Clair County, Michigan comprised of 5,934 people who identified as Hispanic (3.7%), and 154,450 people who identified as Non-Hispanic (96.3%).

Race: The White Alone population was the largest racial group in St. Clair County, Michigan with a population of 150,564 (93.88%); Black or African American Alone population was the second largest racial group with a population of 4,039 (2.52%); and Two Or More Races was the third largest racial group with a population of 3,916 (2.44%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Michigan in 2021, with a population of 145,572 (90.77%); the second largest ethnic group was White Alone - Hispanic with a population of 4,992 (3.11%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,818 (2.38%).

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 2021
Total Population:
Race in St. Clair County, MI in 2021
Total Population:
Ethnicity in St. Clair County, MI in 2021
Total Population:
Population By Race in St. Clair , MI in 2021
Race Population Percentage
Black or African American Alone 4,039 2.52%
White Alone 150,564 93.88%
American Indian and Alaska Native Alone 848 0.53%
Asian Alone 965 0.6%
Native Hawaiian And Pacific Islander Alone 52 0.03%
Two Or More Races 3,916 2.44%
Population By Ethnicity in St. Clair , MI in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 221 0.14%
White Alone - Hispanic 4,992 3.11%
American Indian and Alaska Native Alone - Hispanic 204 0.13%
Asian Alone - Hispanic 44 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 9 0.01%
Two Or More Races - Hispanic 464 0.29%
Black or African American Alone - Non Hispanic 3,818 2.38%
White Alone - Non Hispanic 145,572 90.77%
American Indian and Alaska Native Alone - Non Hispanic 644 0.4%
Asian Alone - Non Hispanic 921 0.57%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 43 0.03%
Two Or More Races - Non Hispanic 3,452 2.15%