Population By Race and Ethnicity in St. Clair County, MI in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 159,186 population of St. Clair County, Michigan comprised of 5,503 people who identified as Hispanic (3.46%), and 153,683 people who identified as Non-Hispanic (96.54%).

Race: The White Alone population was the largest racial group in St. Clair County, Michigan with a population of 149,626 (93.99%); Black or African American Alone population was the second largest racial group with a population of 4,050 (2.54%); and Two Or More Races was the third largest racial group with a population of 3,562 (2.24%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Michigan in 2018, with a population of 144,956 (91.06%); the second largest ethnic group was White Alone - Hispanic with a population of 4,670 (2.93%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,827 (2.4%).

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 2018
Total Population:
Race in St. Clair County, MI in 2018
Total Population:
Ethnicity in St. Clair County, MI in 2018
Total Population:
Population By Race in St. Clair , MI in 2018
Race Population Percentage
Black or African American Alone 4,050 2.54%
White Alone 149,626 93.99%
American Indian and Alaska Native Alone 865 0.54%
Asian Alone 1,040 0.65%
Native Hawaiian And Pacific Islander Alone 43 0.03%
Two Or More Races 3,562 2.24%
Population By Ethnicity in St. Clair , MI in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 223 0.14%
White Alone - Hispanic 4,670 2.93%
American Indian and Alaska Native Alone - Hispanic 202 0.13%
Asian Alone - Hispanic 40 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 9 0.01%
Two Or More Races - Hispanic 359 0.23%
Black or African American Alone - Non Hispanic 3,827 2.4%
White Alone - Non Hispanic 144,956 91.06%
American Indian and Alaska Native Alone - Non Hispanic 663 0.42%
Asian Alone - Non Hispanic 1,000 0.63%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 34 0.02%
Two Or More Races - Non Hispanic 3,203 2.01%