Mendham Borough, New Jersey Voting-age Population By Race in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among the Mendham Borough, NJ voting-age population of 3,858 people, 89.55% of them (3,455 people) identified their race as White Alone, 4.77% of them (184 people) identified their race as Two Or More Races, and 3.40% of them (131 people) identified their race as Asian Alone.

The first chart below shows the voting-age population by race and the second chart shows the percentage of Mendham Borough voting-age population for each race. You can also find this information in a table below.

You can see similar information for other New Jersey cities and places and also for the state of New Jersey.

Mendham Borough, NJ Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Asian Alone
Some Other Race Alone
Black or African American Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Percentage of Mendham Borough, NJ Voting-age Population By Race in Census 2020
White Alone
Two Or More Races
Asian Alone
Some Other Race Alone
Black or African American Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Mendham Borough, NJ Voting-age Population By Race in Census 2020
0 of 0
Race Voting-age Population % of City or Place Voting-age Population
Black or African American Alone 23 0.60
White Alone 3455 89.55
American Indian and Alaska Native Alone 2 0.05
Asian Alone 131 3.40
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 63 1.63
Two Or More Races 184 4.77