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Population Data

Population Data

Disparities and gaps frequently reveal themselves geographically, and efforts to address inequities benefit from local-scale data and strategies. The Data Center provides summary demographics at the state, county, census tract and zip code levels.

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Demographics

for New Castle County

What is this section about?

Demographic data describes the socioeconomic makeup of a particular area, from characteristics such as race, ethnicity, and age to measures of wealth. Understanding demographic diversity within Zip codes and across the state is key to establishing the context of equity and inclusion challenges in Delaware.


Population Total

570,567
people
Population Density
The population density figure in New Castle County is 1,343 people per square mile, which is higher than the state figure of 510 people per square mile.
2023

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State Area Deprivation Index

5
on a scale of 1 to 10
Median Household Income
The median household income figure in New Castle County is $78,428, which is higher than the state figure of $72,724.
2021

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Poverty Rate
The poverty rate percent in New Castle County is 10.2%, which is lower than the state percent of 10.8%.
2023

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Population By Race

for New Castle County

2023

Race
Total Count
% of Population
Pacific islander
188N/A
Native american
1,1210%
Another race
21,9234%
Asian
33,2396%
Multiracial
35,3706%
Black
144,39325%
White
334,33359%
Total
570,567100%

Population By Ethnicity

for New Castle County

2023

Ethnicity
Total Count
% of Population
Hispanic
61,68511%
Non-hispanic
508,88289%
Total
570,567100%

Population By Age

for New Castle County

2023

Age
Total Count
% of Population
Under 18
121,45321%
Between 18 and 65
356,43163%
Over 65
92,68316%
Total
570,567100%