Barnstable County, Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Barnstable County, MA was 174.22K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (164.18K) and constituted 94.24% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (3.29K) and constituted 1.89% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (3.05K), constituting 1.75% 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 2015

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 2015

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	164180	94.24
Hispanic or Latino of All Races	3290	1.89
Non-Hispanic Black or African American Alone	3045	1.75
Non-Hispanic Two Or More Races	1450	0.83
Non-Hispanic Asian Alone	1400	0.80
Non-Hispanic American Indian and Alaska Native Alone	845	0.49
Non-Hispanic Native Hawaiian And Pacific Islander Alone	4	0.00