Barnstable 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 Barnstable County, MA was 173.87K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (162.44K) and constituted 93.43% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (3.20K) and constituted 1.84% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (3.09K), constituting 1.77% 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:

Barnstable County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2020

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

Barnstable 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	162440	93.43
Hispanic or Latino of All Races	3200	1.84
Non-Hispanic Black or African American Alone	3085	1.77
Non-Hispanic Two Or More Races	2230	1.28
Non-Hispanic Asian Alone	1770	1.02
Non-Hispanic American Indian and Alaska Native Alone	1030	0.59
Non-Hispanic Native Hawaiian And Pacific Islander Alone	115	0.07