Plymouth County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Plymouth County, MA was 396.03K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (338.47K) and constituted 85.47% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (33.84K) and constituted 8.54% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (12.71K), constituting 3.21% 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:

Plymouth County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2021

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

Plymouth County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2021

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	338470	85.47
Non-Hispanic Black or African American Alone	33835	8.54
Hispanic or Latino of All Races	12705	3.21
Non-Hispanic Asian Alone	5365	1.36
Non-Hispanic Two Or More Races	4885	1.23
Non-Hispanic American Indian and Alaska Native Alone	560	0.14
Non-Hispanic Native Hawaiian And Pacific Islander Alone	220	0.06