What kinds of homes are in New Castle, DE?

Name: Types of homes in New Castle, DE, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

New Castle, DE has 2,877 (±206) homes (2020–2024 American Community Survey).

That is about 827 homes per square mile of land.

37.1% are detached single-family houses.

6.7% are in buildings of two to four units.

26.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,877 (±206)
Detached houses: 37.1%
2–4 unit buildings: 6.7%
5+ unit buildings: 26.3%

Homes in New Castle by building size

Housing units by units in structure, 2020–2024
Building type	New Castle	New Castle County	Delaware	United States
Single-family, detached	37.1% (±8.4 points)	53.0%	59.1%	61.3%
Single-family, attached (townhouse, rowhouse)	30.0% (±7.5 points)	21.3%	15.5%	6.2%
2 units	4.4% (±4.0 points)	1.7%	1.5%	3.4%
3 or 4 units	2.3% (±1.8 points)	2.9%	2.4%	4.3%
5 to 9 units	4.7% (±3.1 points)	4.7%	3.9%	4.5%
10 to 19 units	9.5% (±3.3 points)	6.8%	5.1%	4.3%
20 or more units	12.1% (±6.4 points)	7.4%	5.4%	10.3%
Mobile home	0.0% (±1.3 points)	2.0%	7.0%	5.6%
Boat, RV, van, etc.	0.0% (±1.3 points)	0.1%	0.1%	0.1%

In New Castle, the share of homes in buildings of five or more units is not measurably different from New Castle County (18.9%).

It is also higher than in Delaware (14.4%).

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near New Castle

Nearest places with a published estimate, compared with New Castle
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
New Castle	—	26.3% (±7.8 points)	—
Wilmington Manor	1.5 mi	4.6% (±2.6 points)	Lower
Newport	3.7 mi	28.6% (±12.7 points)	Not measurably different
Pennsville	3.8 mi	11.3% (±2.5 points)	Lower
Pennsville Township	4.5 mi	11.3% (±2.5 points)	Lower
Wilmington	4.9 mi	25.5% (±2.2 points)	Not measurably different
Elsmere	5.0 mi	14.1% (±6.8 points)	Lower
Carneys Point	5.8 mi	20.9% (±5.7 points)	Not measurably different
Penns Grove Borough	6.5 mi	16.8% (±7.4 points)	Not measurably different

Nearby places with a measurably lower figure: Wilmington Manor, DE (4.6%), Pennsville, NJ (11.3%), Pennsville Township, NJ (11.3%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across New Castle County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Edgemoor	41.2% (±10.5 points)
2	Newark	36.1% (±4.9 points)
3	Pike Creek Valley	31.9% (±6.8 points)
4	Claymont	31.0% (±5.7 points)
5	Newport	28.6% (±12.7 points)
6	New Castle	26.3% (±7.8 points)
7	Wilmington	25.5% (±2.2 points)
8	Bear	20.2% (±5.0 points)
9	Brookside	18.6% (±4.6 points)
10	Greenville	17.6% (±7.9 points)
11	Elsmere	14.1% (±6.8 points)
12	Middletown	13.2% (±4.2 points)

Showing 12 of 25 places in New Castle County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about New Castle

How many homes are in New Castle?

New Castle, DE has an estimated 2,877 (±206) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in New Castle houses or apartments?

37.1% are detached houses and 30.0% attached houses, while 33.0% are in buildings of two or more units.

How many two-family and small multifamily homes are in New Castle?

6.7% of homes in New Castle are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — New Castle city, Delaware

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for New Castle city, Delaware (place:50800, in state:10).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.