New Castle County, Delaware
DE · FIPS 10003 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 577,961 | — | #122 / 3,222 | |
| Median Household Income | $91,166 | +21.3% | #278 / 3,222 | |
| Median Age | 39.3 years | +1.0% | #2,307 / 3,222 | |
| Median Home Value | $352,200 | +24.9% | #407 / 3,222 | |
| Median Gross Rent | $1,448 | +24.5% | #279 / 3,222 | |
| Poverty Rate | 10.1% | -19.6% | #820 / 3,222 | |
Demographics
New Castle County has a population of 577,961, making it the #122 most populous county in the US. The median age is 39.3 years, which is 1.0% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in New Castle County is $91,166, ranking #278 out of 3,222 counties — 21.3% above the national median. The poverty rate is 10.1% and unemployment stands at 4.8%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in New Castle County is $352,200 (+24.9% vs national). Renters pay a median of $1,448/mo and the homeownership rate is 69.0%.
Median Home Value Trend
Rankings →Health
94.1% of residents in New Castle County have health insurance coverage, which is 2.6% above the national rate.
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.