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

Updated on March 29, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Marlborough city, Middlesex County Massachusetts was 27.76K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (22.38K) and constituted 80.62% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (3.16K) and constituted 11.38% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (1.03K), constituting 3.73% 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 Middlesex County Massachusetts MCDs, and for Middlesex County.

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

See this for other years:

Marlborough city, Middlesex County Massachusetts Citizen Voting-age Population By Race and Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Marlborough city, Middlesex 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	22380	80.62
Hispanic or Latino of All Races	3160	11.38
Non-Hispanic Asian Alone	1035	3.73
Non-Hispanic Black or African American Alone	750	2.70
Non-Hispanic Two Or More Races	390	1.41
Non-Hispanic American Indian and Alaska Native Alone	35	0.13