New Castle County, Delaware Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 449.88K voting-age population of New Castle County, DE residents comprised of 42.35K residents who identified as Hispanic or Latino (9.41%), and 407.52K residents who identified as Non-Hispanic (90.59%).

Race: The White Alone voting-age population was the largest racial group in New Castle County, DE, with a voting-age population of 262.34K (58.31%). The Black or African American Alone voting-age population was the second largest racial group in New Castle County, DE, with a voting-age population of 110.95K (24.66%). The Two Or More Races voting-age population was the third largest racial group in New Castle County, DE, with a voting-age population of 27.69K (6.15%). The smallest racial group in New Castle County, DE was Native Hawaiian And Pacific Islander Alone with a voting-age population of 130 (0.03%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in New Castle County, DE, with a voting-age population of 255.12K (56.71%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in New Castle County, DE, with a voting-age population of 108.58K (24.13%). The Non-Hispanic - Asian Alone voting-age population was the third largest ethnic group in New Castle County, DE, with a voting-age population of 27.19K (6.04%). The smallest ethnic group in New Castle County, DE was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 30 (0.01%).

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

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

New Castle County, DE Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
New Castle County, DE Voting-age Racial Groups in Census 2020
Total Voting-age Population:
New Castle County, DE Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
New Castle County, DE 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 110949 24.66
White Alone 262338 58.31
American Indian and Alaska Native Alone 1604 0.36
Asian Alone 27297 6.07
Native Hawaiian And Pacific Islander Alone 130 0.03
Some Other Race Alone 19873 4.42
Two Or More Races 27685 6.15
New Castle County, DE 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 255124 56.71
Non-Hispanic - Black Alone 108575 24.13
Non-Hispanic - Asian Alone 27186 6.04
Hispanic - Some Other Race Alone 18163 4.04
Non-Hispanic - Two or More Races 14126 3.14
Hispanic - Two or More Races 13559 3.01
Hispanic - White Alone 7214 1.60
Hispanic - Black Alone 2374 0.53
Non-Hispanic - Some Other Race Alone 1710 0.38
Hispanic - American Indian & Alaska Native 902 0.20
Non-Hispanic - American Indian & Alaska Native 702 0.16
Hispanic - Asian Alone 111 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 100 0.02
Hispanic - Native Hawaiian & Pac. Islander 30 0.01