Population By Race and Ethnicity in St. Clair County, MI in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 159,757 population of St. Clair County, Michigan comprised of 5,178 people who identified as Hispanic (3.24%), and 154,579 people who identified as Non-Hispanic (96.76%).

Race: The White Alone population was the largest racial group in St. Clair County, Michigan with a population of 150,575 (94.25%); Black or African American Alone population was the second largest racial group with a population of 4,048 (2.53%); and Two Or More Races was the third largest racial group with a population of 3,293 (2.06%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Michigan in 2015, with a population of 146,125 (91.47%); the second largest ethnic group was White Alone - Hispanic with a population of 4,450 (2.79%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,869 (2.42%).

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 2015
Total Population:
Race in St. Clair County, MI in 2015
Total Population:
Ethnicity in St. Clair County, MI in 2015
Total Population:
Population By Race in St. Clair , MI in 2015
Race Population Percentage
Black or African American Alone 4,048 2.53%
White Alone 150,575 94.25%
American Indian and Alaska Native Alone 819 0.51%
Asian Alone 978 0.61%
Native Hawaiian And Pacific Islander Alone 44 0.03%
Two Or More Races 3,293 2.06%
Population By Ethnicity in St. Clair , MI in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 179 0.11%
White Alone - Hispanic 4,450 2.79%
American Indian and Alaska Native Alone - Hispanic 182 0.11%
Asian Alone - Hispanic 32 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 10 0.01%
Two Or More Races - Hispanic 325 0.2%
Black or African American Alone - Non Hispanic 3,869 2.42%
White Alone - Non Hispanic 146,125 91.47%
American Indian and Alaska Native Alone - Non Hispanic 637 0.4%
Asian Alone - Non Hispanic 946 0.59%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 34 0.02%
Two Or More Races - Non Hispanic 2,968 1.86%