Monmouth, New Jersey Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 511.67K voting-age population of Monmouth, NJ residents comprised of 55.06K residents who identified as Hispanic or Latino (10.76%), and 456.61K residents who identified as Non-Hispanic (89.24%).

Race: The White Alone voting-age population was the largest racial group in Monmouth, NJ, with a voting-age population of 388.90K (76.01%). The Two Or More Races voting-age population was the second largest racial group in Monmouth, NJ, with a voting-age population of 34.17K (6.68%). The Black or African American Alone voting-age population was the third largest racial group in Monmouth, NJ, with a voting-age population of 32.17K (6.29%). The smallest racial group in Monmouth, NJ was Native Hawaiian And Pacific Islander Alone with a voting-age population of 140 (0.03%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Monmouth, NJ, with a voting-age population of 379.20K (74.11%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Monmouth, NJ, with a voting-age population of 31.08K (6.07%). The Non-Hispanic - Asian Alone voting-age population was the third largest ethnic group in Monmouth, NJ, with a voting-age population of 28.59K (5.59%). The smallest ethnic group in Monmouth, NJ was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 52 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Monmouth, New Jersey from the 2020 decennial census.

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

Monmouth, NJ Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Monmouth, NJ Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Monmouth, NJ Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Monmouth, NJ Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 32173 6.29
White Alone 388897 76.01
American Indian and Alaska Native Alone 1754 0.34
Asian Alone 28793 5.63
Native Hawaiian And Pacific Islander Alone 140 0.03
Some Other Race Alone 25746 5.03
Two Or More Races 34167 6.68
Monmouth, NJ Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 379202 74.11
Non-Hispanic - Black Alone 31075 6.07
Non-Hispanic - Asian Alone 28594 5.59
Hispanic - Some Other Race Alone 22375 4.37
Hispanic - Two or More Races 20289 3.97
Non-Hispanic - Two or More Races 13878 2.71
Hispanic - White Alone 9695 1.90
Non-Hispanic - Some Other Race Alone 3371 0.66
Hispanic - American Indian & Alaska Native 1352 0.26
Hispanic - Black Alone 1098 0.22
Non-Hispanic - American Indian & Alaska Native 402 0.08
Hispanic - Asian Alone 199 0.04
Non-Hispanic - Native Hawaiian & Pac. Islander 88 0.02
Hispanic - Native Hawaiian & Pac. Islander 52 0.01