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New Castle, DE
City in New Castle County, Delaware.
Population
5,579
Land area
3.5sq mi
People per sq mi
1,604
ZIP codes
0
New Castle and its ZIP codes
New Castle at a glance
- New Castle is about 3.1 times as dense as Delaware as a whole.
- The median household income is $89,205, 5% above the Delaware median of $84,954.
- A typical owner-occupied home is valued at $285,100 (19% below Delaware) and median rent is $1,739 a month.
Local data for New Castle, DE
Counts from official public data
Housing and community stats
New Castle, DE, American Community Survey 2020-2024
Median household income
$89,205
Poverty rate
4.7%
Median home value
$285,100
Median rent
$1,739/mo
Homeownership
63.4%
Bachelor's or higher
33.8%
Median age
48.5
Average commute
23.2 min
Largest reported origins and ancestries: Irish Americans (1,159), German Americans (836), Italian Americans (411).
Economy and federal money
Jobs, pay, income and spending are for New Castle County. PPP loans are for New Castle.
Unemployment rate
4.9%
Aug 2026, -0.6 pts in a year
Average annual pay
$83,959
306,171 jobs, 2025
Income per person
$69,609
BEA, 2024
Federal spending
$4B
FY 2026, $7,016 per person
How people get to work
New Castle, DE, workers 16 and older. American Community Survey 5-year estimates
- Drove alone67.2%
- Carpooled5.8%
- Public transit3.9%
- Walked1.2%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home21.6%
Average one-way commute: 23.2 minutes for people who do not work from home.
Environment and hazard risk
New Castle, DE, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: winter weather
Storm events since 1996
1,499
Countywide, mostly thunderstorm wind
Flood insurance policies
1,599
0.9% of homes, county
July high / Jan low
87° / 26°F
45.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in New Castle, DE, CDC PLACES estimates
Obesity
33.2%
U.S. 33.3% about the same
Diabetes
12.2%
U.S. 12.1% about the same
Smoking
11.3%
U.S. 12.8% -1.5 pts
Uninsured (18-64)
7.6%
U.S. 11.1% -3.5 pts
Cities near New Castle
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Wilmington ManorCensus-designated place | 1.4 mi | 1.6 |
| Pennsville, NJCensus-designated place | 3.3 mi | 10.7 |
| NewportTown | 3.8 mi | 0.5 |
| WilmingtonCity | 4.7 mi | 10.9 |
| ElsmereTown | 4.9 mi | 1 |
| Carneys Point, NJCensus-designated place | 6 mi | 8.4 |
| Penns Grove, NJBorough | 6.4 mi | 0.9 |
| EdgemoorCensus-designated place | 6.6 mi | 1.9 |
| Delaware CityCity | 6.9 mi | 1.9 |
| BearCensus-designated place | 7.1 mi | 5.8 |
| BellefonteTown | 7.5 mi | 0.2 |
| GreenvilleCensus-designated place | 7.7 mi | 2.8 |
| BrooksideCensus-designated place | 8.1 mi | 3.9 |
| Pike Creek ValleyCensus-designated place | 8.2 mi | 2.9 |
| Salem, NJCity | 8.6 mi | 2.3 |
| Pike CreekCensus-designated place | 8.8 mi | 2.7 |
Frequently asked questions
- What county is New Castle, DE in?
- New Castle is in New Castle County, Delaware.
- What is the population of New Castle, DE?
- About 5,579 people live in New Castle, based on American Community Survey 5-year estimates.
- What cities are near New Castle?
- Nearby places include Wilmington Manor (1.4 mi), Pennsville, NJ (3.3 mi), Newport (3.8 mi), Wilmington (4.7 mi), Elsmere (4.9 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023