Population By Race and Ethnicity in New Castle County, DE in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 559,941 population of New Castle County, Delaware comprised of 58,566 people who identified as Hispanic (10.46%), and 501,375 people who identified as Non-Hispanic (89.54%).

Race: The White Alone population was the largest racial group in New Castle County, Delaware with a population of 359,883 (64.27%); Black or African American Alone population was the second largest racial group with a population of 148,161 (26.46%); and Asian Alone was the third largest racial group with a population of 33,418 (5.97%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in New Castle County, Delaware in 2019, with a population of 313,906 (56.06%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 140,385 (25.07%); and the third largest ethnic group was White Alone - Hispanic with a population of 45,977 (8.21%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in New Castle, Delaware.

You can find similar information for other Delaware counties, and for Delaware.

See this for other years:
Hispanics and Non Hispanics in New Castle County, DE in 2019
Total Population:
Race in New Castle County, DE in 2019
Total Population:
Ethnicity in New Castle County, DE in 2019
Total Population:
Population By Race in New Castle , DE in 2019
Race Population Percentage
Black or African American Alone 148,161 26.46%
White Alone 359,883 64.27%
American Indian and Alaska Native Alone 2,766 0.49%
Asian Alone 33,418 5.97%
Native Hawaiian And Pacific Islander Alone 416 0.07%
Two Or More Races 15,297 2.73%
Population By Ethnicity in New Castle , DE in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 7,776 1.39%
White Alone - Hispanic 45,977 8.21%
American Indian and Alaska Native Alone - Hispanic 1,708 0.31%
Asian Alone - Hispanic 467 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 263 0.05%
Two Or More Races - Hispanic 2,375 0.42%
Black or African American Alone - Non Hispanic 140,385 25.07%
White Alone - Non Hispanic 313,906 56.06%
American Indian and Alaska Native Alone - Non Hispanic 1,058 0.19%
Asian Alone - Non Hispanic 32,951 5.89%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 153 0.03%
Two Or More Races - Non Hispanic 12,922 2.31%