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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in New Castle County, DE in 2019

Total Population:559,941

Non Hispanic (89.54%)

Hispanic (10.46%)

Race in New Castle County, DE in 2019

Total Population:559,941

White Alone (64.27%)

Black or African American Alone (26.46%)

Asian Alone (5.97%)

Two or more races (2.73%)

American Indian and Alaska Native Alone (0.49%)

Native Hawaiian And Pacific Islander Alone (0.07%)

Ethnicity in New Castle County, DE in 2019

Total Population:559,941

Non-Hispanic White Alone (56.06%)

Non-Hispanic Black or African American Alone (25.07%)

Hispanic White Alone (8.21%)

Non-Hispanic Asian Alone (5.89%)

All Other Ethnicities (2.47%)

Non-Hispanic Two or more races (2.31%)

Population By Race in New Castle , DE in 2019

Race	Population	Percentage
White Alone	359,883	64.27%
Black or African American Alone	148,161	26.46%
Asian Alone	33,418	5.97%
Two Or More Races	15,297	2.73%
American Indian and Alaska Native Alone	2,766	0.49%
Native Hawaiian And Pacific Islander Alone	416	0.07%

Population By Ethnicity in New Castle , DE in 2019

Ethnicity	Population	Percentage
White Alone - Non Hispanic	313,906	56.06%
Black or African American Alone - Non Hispanic	140,385	25.07%
White Alone - Hispanic	45,977	8.21%
Asian Alone - Non Hispanic	32,951	5.89%
Two Or More Races - Non Hispanic	12,922	2.31%
Black or African American Alone - Hispanic	7,776	1.39%
Two Or More Races - Hispanic	2,375	0.42%
American Indian and Alaska Native Alone - Hispanic	1,708	0.31%
American Indian and Alaska Native Alone - Non Hispanic	1,058	0.19%
Asian Alone - Hispanic	467	0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic	263	0.05%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	153	0.03%