New Castle

County:: New Castle County
County Seat:: No
Area (mi²):: 3.478
State:: Delaware

New Castle is a city located in New Castle County, Delaware. New Castle has a 2025 population of 5,555. New Castle is currently growing at a rate of 0.05% annually and its population has increased by 0.27% since the most recent census, which recorded a population of 5,540 in 2020.

The average household income in New Castle is $102,684 with a poverty rate of 3.39%. The median age in New Castle is 46.4 years: 43.9 years for males, and 47.2 years for females.

Demographics

The racial composition of New Castle includes 64.76% White, 27.76% Black or African American, 3.95% other race, and smaller percentages for Two or more races, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,574	64.76%
Black or African American	1,532	27.76%
Other race	218	3.95%
Two or more races	146	2.65%
Asian	49	0.89%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

New Castle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

New Castle's average per capita income is $59,161. Household income levels show a median of $92,565. The poverty rate stands at 3.39%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$117,913	-
Families	$112,733	$120,817
Households	$92,565	$102,684
Non Families	$63,588	$72,904

$59,161

Average Income

$92,565

Median Household Income

3.39%

Poverty Rate