Plymouth County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for Plymouth County, MA was 389.87K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (335.31K) and constituted 86.01% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (32.24K) and constituted 8.27% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (11.73K), constituting 3.01% 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 2020

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 2020

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	335310	86.01
Non-Hispanic Black or African American Alone	32235	8.27
Hispanic or Latino of All Races	11725	3.01
Non-Hispanic Asian Alone	5055	1.30
Non-Hispanic Two Or More Races	4710	1.21
Non-Hispanic American Indian and Alaska Native Alone	620	0.16
Non-Hispanic Native Hawaiian And Pacific Islander Alone	220	0.06