New Castle County, Delaware

DE · FIPS 10003 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
577,961
Rank #122 of 3,222
96th %ile
Median Household Income
$91,166 +21.3% vs nat'l
Rank #278 of 3,222
91th %ile
Poverty Rate
10.1% −19.6% vs nat'l
Rank #820 of 3,222
75th %ile
Median Home Value
$352,200 +24.9% vs nat'l
Rank #407 of 3,222
87th %ile
Bachelor's Degree or Higher
39.7% +17.8% vs nat'l
Rank #290 of 3,222
91th %ile
Unemployment Rate
4.8% −9.0% vs nat'l
Rank #1,899 of 3,222
41th %ile

At a Glance

69.0% Homeownership
94.1% Insured
39.7% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Black (non-Hispanic)Hispanic or LatinoAsian (non-Hispanic)Two or More RacesOther (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%8.7%17.3%26.0%34.6%43.3%51.9%52.3%24.9%11.8%6.2%4.2%0.5%0.0%0.0%

About New Castle County, Delaware

New Castle County, Delaware has a total population of 577,961, making it the 122nd most populous county in the United States. The median age in New Castle County is 39.3 years, which is 1.0% above the national median of 38.9 years.

The median household income in New Castle County is $91,166, which ranks #278 of 3,222 counties nationwide. This is 21.3% above the national median of $75,149. The poverty rate is 10.1%, lower than the national rate of 12.6%. The unemployment rate stands at 4.8%.

The median home value in New Castle County is $352,200, 24.9% above the national median. Renters in New Castle County pay a median gross rent of $1,448 per month. The homeownership rate is 69.0%, compared to the national rate of 64.4%.

In New Castle County, 39.7% of residents aged 25 and older hold a bachelor's degree or higher, 17.8% above the national average of 33.7%. Health insurance coverage stands at 94.1% of the population. The average commute time for workers is 27.8 min.

New Castle County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 52.3% of the population, followed by Black (non-Hispanic) (24.9%) and Hispanic or Latino (11.8%).

All data for New Castle County, Delaware comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.