Mendham borough, Morris County New Jersey Citizen Voting-age Population By Race and Ethnicity in 2020 (ACS-5Yrs)

Updated on March 29, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for Mendham borough, Morris County New Jersey was 3.50K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (3.33K) and constituted 95.28% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (80) and constituted 2.29% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (55), constituting 1.57% 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 Morris County New Jersey MCDs, and for Morris County.

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

See this for other years:

Mendham borough, Morris County New Jersey Citizen Voting-age Population By Race and Ethnicity in 2020

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Mendham borough, Morris County New Jersey 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	3330	95.28
Hispanic or Latino of All Races	80	2.29
Non-Hispanic Asian Alone	55	1.57
Non-Hispanic Black or African American Alone	20	0.57
Non-Hispanic Two Or More Races	10	0.29