The map below shows majority race by area in New Castle County, as self-identified on the US census. Darker shades indicate a larger racial majority in that neighborhood. This page also contains data and maps on New Castle County racial diversity and diversity scores. Click here to scroll to diversity data.
WhiteHispanicBlackAsianMultiple/Other
Majority race by area
The majority race in New Castle County overall is white, making up 52.3% of residents. The next most-common racial group is black at 24.8%. There are more white people in the southeast areas of the county. People who identify as black are most likely to be living in the east places. The data below shows how many people identify themselves as each of the following races, which most Americans base on their family's national origin:
Race in New Castle County
Self-Identified Race |
New Castle County, DE Population |
|---|---|
White |
52.3% |
Hispanic |
11.9% |
Black |
24.8% |
Asian |
6.3% |
Native American |
0.0% |
Other |
4.7% |
Diversity and Diversity Scores for New Castle County, DE
The map below shows diversity in New Castle County. Areas in green are more diverse, while areas in red are much less diverse. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. For example, all-black and all-white areas in the county would both be considered lacking diversity.
Less diverse
More diverse
Colorblind friendly
off
New Castle County Diversity Score
64.5
More diverse than 96% of US counties
New Castle County has a diversity score of 64.5: the chance, in percent, that two residents picked at random belong to different racial or ethnic groups, from ACS race counts. A place where everyone shares one group scores 0, and an even mix of the six groups in the chart above scores the maximum, 83.3. New Castle County is much more diverse than other US counties, more diverse than 96% of them. Within New Castle County's proper boundaries, the most diverse area is southwest New Castle County, and the least diverse areas are in southeast New Castle County.
Source: BestNeighborhood calculations from the U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates (race and Hispanic origin); proprietary data mapping and analysis. Special thanks to the University of Virginia.
Nearby Counties
- Salem County, NJ: less diverse
- Cecil County, MD: less diverse
- Gloucester County, NJ: less diverse
- Harford County, MD: less diverse
- Carroll County, MD: less diverse
- Washington County, MD: less diverse
- Morgan County, WV: less diverse
- Allegany County, MD: less diverse
- Garrett County, MD: less diverse
- Preston County, WV: less diverse
Counties with Similar Populations
- Monmouth County, NJ: less diverse
- Arapahoe County, CO: less diverse
- Bucks County, PA: less diverse
- Kent County, MI: less diverse
- Providence County, RI: less diverse
- Stanislaus County, CA: less diverse
- Ada County, ID: less diverse
- Ocean County, NJ: less diverse
- Pasco County, FL: less diverse
- Passaic County, NJ: more diverse