St. Clair County, Michigan Citizen Voting-age Population By Race and Ethnicity in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for St. Clair County, MI was 123.86K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (115.49K) and constituted 93.25% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (3.08K) and constituted 2.48% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (2.60K), constituting 2.10% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other Michigan counties, and for Michigan.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

St. Clair County, Michigan Citizen Voting-age Population By Race and Ethnicity in 2018

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

St. Clair County, Michigan Citizen Voting-age Population By Race and Ethnicity in 2018

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	115490	93.25
Hispanic or Latino of All Races	3075	2.48
Non-Hispanic Black or African American Alone	2595	2.10
Non-Hispanic Two Or More Races	1890	1.53
Non-Hispanic Asian Alone	605	0.49
Non-Hispanic American Indian and Alaska Native Alone	170	0.14
Non-Hispanic Native Hawaiian And Pacific Islander Alone	30	0.02