Suffolk County, Massachusetts 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 Suffolk County, MA was 542.01K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (303.56K) and constituted 56.01% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (108.02K) and constituted 19.93% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (83.49K), constituting 15.40% 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 Massachusetts counties, and for Massachusetts.

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

See this for other years:

Suffolk County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2018

Non-Hispanic White Alone

Non-Hispanic Black Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Suffolk County, Massachusetts 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	303555	56.01
Non-Hispanic Black or African American Alone	108020	19.93
Hispanic or Latino of All Races	83490	15.40
Non-Hispanic Asian Alone	36180	6.68
Non-Hispanic Two Or More Races	9375	1.73
Non-Hispanic American Indian and Alaska Native Alone	1225	0.23
Non-Hispanic Native Hawaiian And Pacific Islander Alone	170	0.03