South Plainfield Borough, New Jersey Voting-age Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among South Plainfield Borough, NJ voting-age population of 19,329 people, 50.59% of them (9,778 people) identified their ethnicity as Non-Hispanic - White Alone, 18.61% of them (3,597 people) identified their ethnicity as Non-Hispanic - Asian Alone, and 10.22% of them (1,976 people) identified their ethnicity as Non-Hispanic - Black or African American Alone.

The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age population for each ethnicity. 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.

South Plainfield Borough, NJ Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Asian Alone
Non-Hispanic - Black Alone
Hispanic - Some Other Race Alone
Hispanic - Two or More Races
Non-Hispanic - Two or More Races
Hispanic - White Alone
Percentage of South Plainfield Borough, NJ Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Asian Alone
Non-Hispanic - Black Alone
Hispanic - Some Other Race Alone
Hispanic - Two or More Races
Non-Hispanic - Two or More Races
Hispanic - White Alone
South Plainfield Borough, NJ Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of Place Voting-age Population
Non-Hispanic - White Alone 9778 50.59
Non-Hispanic - Asian Alone 3597 18.61
Non-Hispanic - Black or African American Alone 1976 10.22
Hispanic - Some Other Race Alone 1389 7.19
Hispanic - Two Or More Races 1197 6.19
Non-Hispanic - Two Or More Races 476 2.46
Hispanic - White Alone 463 2.40
Non-Hispanic - Some Other Race Alone 237 1.23
Hispanic - Black or African American Alone 92 0.48
Hispanic - American Indian and Alaska Native Alone 67 0.35
Non-Hispanic - American Indian and Alaska Native Alone 35 0.18
Hispanic - Asian Alone 17 0.09
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 5 0.03
Hispanic - Native Hawaiian And Pacific Islander Alone 0 0.00