What kinds of homes are in Duncannon, PA?

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

Duncannon, PA has 715 (±93) homes (2020–2024 American Community Survey).

That is about 1,757 homes per square mile of land.

51.2% are detached single-family houses.

18.0% are in buildings of two to four units.

18.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 715 (±93)
Detached houses: 51.2%
2–4 unit buildings: 18.0%
5+ unit buildings: 18.3%

Homes in Duncannon by building size

Housing units by units in structure, 2020–2024
Building type	Duncannon	Perry County	Pennsylvania	United States
Single-family, detached	51.2% (±7.6 points)	80.6%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	11.5% (±6.7 points)	4.0%	18.8%	6.2%
2 units	8.3% (±4.7 points)	1.6%	4.3%	3.4%
3 or 4 units	9.7% (±5.2 points)	2.3%	4.0%	4.3%
5 to 9 units	9.4% (±4.8 points)	1.6%	3.1%	4.5%
10 to 19 units	1.5% (±1.2 points)	0.8%	2.6%	4.3%
20 or more units	7.4% (±3.9 points)	1.0%	7.0%	10.3%
Mobile home	1.1% (±1.6 points)	8.0%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±4.4 points)	0.1%	0.0%	0.1%

In Duncannon, the share of homes in buildings of five or more units is higher than in Perry County (3.4%).

It is not measurably different from Pennsylvania (12.7%).

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

Homes in buildings of 5 or more units in places near Duncannon

Nearest places with a published estimate, compared with Duncannon
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Duncannon	—	18.3% (±6.3 points)	—
Reed Township	2.5 mi	0.0% (±42.1 points)	Not measurably different
Penn Township (Perry County)	2.9 mi	4.7% (±3.8 points)	Lower
Wheatfield Township	3.7 mi	0.0% (±4.5 points)	Lower
Watts Township	4.8 mi	8.2% (±5.2 points)	Lower
Rye Township	4.9 mi	0.0% (±5.7 points)	Lower
New Buffalo	5.1 mi	14.7% (±75.9 points)	Not measurably different
Miller Township (Perry County)	5.2 mi	0.0% (±11.3 points)	Lower
Dauphin	5.5 mi	0.0% (±9.9 points)	Lower

Nearby places with a measurably lower figure: Penn Township (Perry County), PA (4.7%), Wheatfield Township, PA (0.0%), Watts Township, PA (8.2%).

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 Perry County, place by place

Rank	Place	Homes in buildings of 5 or more units
1 (tie)	Duncannon	18.3% (±6.3 points)
1 (tie)	Liverpool	18.3% (±5.7 points)
3	New Buffalo	14.7% (±75.9 points)
4	Newport	12.8% (±6.4 points)
5	Oliver Township (Perry County)	11.8% (±5.2 points)
6	Watts Township	8.2% (±5.2 points)
7	Marysville	7.6% (±5.1 points)

Showing 7 of 30 places in Perry 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 Duncannon

How many homes are in Duncannon?

Duncannon, PA has an estimated 715 (±93) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Duncannon houses or apartments?

51.2% are detached houses and 11.5% attached houses, while 36.3% are in buildings of two or more units.

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

18.0% of homes in Duncannon 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 — Duncannon borough, Pennsylvania

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 Duncannon borough, Pennsylvania (place:20240, in state:42).

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.