St. Clair County, Michigan Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 160.38K population of St. Clair County, MI residents comprised of 5.51K residents who identified as Hispanic or Latino (3.43%), and 154.88K residents who identified as Non-Hispanic (96.57%).

Race: The White Alone population was the largest racial group in St. Clair County, MI, with a population of 144.48K (90.08%). The Two Or More Races population was the second largest racial group in St. Clair County, MI, with a population of 8.95K (5.58%). The Black or African American Alone population was the third largest racial group in St. Clair County, MI, with a population of 3.94K (2.46%). The smallest racial group in St. Clair County, MI was Native Hawaiian And Pacific Islander Alone with a population of 16 (0.01%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in St. Clair County, MI, with a population of 142.40K (88.79%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in St. Clair County, MI, with a population of 6.88K (4.29%). The Non-Hispanic - Black Alone population was the third largest ethnic group in St. Clair County, MI, with a population of 3.77K (2.35%). The smallest ethnic group in St. Clair County, MI was Hispanic - Native Hawaiian & Pac. Islander with a population of 3 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in St. Clair County, Michigan from the 2020 decennial census.

You can see similar information for other Michigan counties and also for the state of Michigan.

St. Clair County, MI Hispanics and Non Hispanics Population in Census 2020
Total Population:
St. Clair County, MI Racial Groups in Census 2020
Total Population:
St. Clair County, MI Ethnicity Groups in Census 2020
Total Population:
St. Clair County, MI Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 3937 2.46
White Alone 144476 90.08
American Indian and Alaska Native Alone 701 0.44
Asian Alone 826 0.52
Native Hawaiian And Pacific Islander Alone 16 0.01
Some Other Race Alone 1482 0.92
Two Or More Races 8945 5.58
St. Clair County, MI Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 142396 88.79
Non-Hispanic - Two or More Races 6883 4.29
Non-Hispanic - Black Alone 3773 2.35
Hispanic - White Alone 2080 1.30
Hispanic - Two or More Races 2062 1.29
Hispanic - Some Other Race Alone 1039 0.65
Non-Hispanic - Asian Alone 809 0.50
Non-Hispanic - American Indian & Alaska Native 561 0.35
Non-Hispanic - Some Other Race Alone 443 0.28
Hispanic - Black Alone 164 0.10
Hispanic - American Indian & Alaska Native 140 0.09
Hispanic - Asian Alone 17 0.01
Non-Hispanic - Native Hawaiian & Pac. Islander 13 0.01
Hispanic - Native Hawaiian & Pac. Islander 3 0.00