Population By Race and Ethnicity in New Castle County, DE in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the 545,053 population of New Castle County, Delaware comprised of 49,333 people who identified as Hispanic (9.05%), and 495,720 people who identified as Non-Hispanic (90.95%).

Race: The White Alone population was the largest racial group in New Castle County, Delaware with a population of 369,938 (67.87%); Black or African American Alone population was the second largest racial group with a population of 134,465 (24.67%); and Asian Alone was the third largest racial group with a population of 25,974 (4.76%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in New Castle County, Delaware in 2012, with a population of 330,272 (60.59%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 128,249 (23.53%); and the third largest ethnic group was White Alone - Hispanic with a population of 39,666 (7.28%).

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 2012
Total Population:
Race in New Castle County, DE in 2012
Total Population:
Ethnicity in New Castle County, DE in 2012
Total Population:
Population By Race in New Castle , DE in 2012
Race Population Percentage
Black or African American Alone 134,465 24.67%
White Alone 369,938 67.87%
American Indian and Alaska Native Alone 2,179 0.4%
Asian Alone 25,974 4.76%
Native Hawaiian And Pacific Islander Alone 320 0.06%
Two Or More Races 12,177 2.23%
Population By Ethnicity in New Castle , DE in 2012
Ethnicity Population Percentage
Black or African American Alone - Hispanic 6,216 1.14%
White Alone - Hispanic 39,666 7.28%
American Indian and Alaska Native Alone - Hispanic 1,202 0.22%
Asian Alone - Hispanic 336 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 204 0.04%
Two Or More Races - Hispanic 1,709 0.31%
Black or African American Alone - Non Hispanic 128,249 23.53%
White Alone - Non Hispanic 330,272 60.59%
American Indian and Alaska Native Alone - Non Hispanic 977 0.18%
Asian Alone - Non Hispanic 25,638 4.7%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 116 0.02%
Two Or More Races - Non Hispanic 10,468 1.92%