What kinds of homes are in Allison Park, PA?

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

Allison Park, PA has 9,487 (±617) homes (2020–2024 American Community Survey).

That is about 684 homes per square mile of land.

70.1% are detached single-family houses.

0.8% are in buildings of two to four units.

22.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 9,487 (±617)
Detached houses: 70.1%
2–4 unit buildings: 0.8%
5+ unit buildings: 22.6%

Homes in Allison Park by building size

Housing units by units in structure, 2020–2024
Building type	Allison Park	Allegheny County	Pennsylvania	United States
Single-family, detached	70.1% (±3.9 points)	61.6%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	5.8% (±1.5 points)	10.3%	18.8%	6.2%
2 units	0.8% (±0.9 points)	4.6%	4.3%	3.4%
3 or 4 units	0.0% (±0.3 points)	4.2%	4.0%	4.3%
5 to 9 units	1.9% (±1.1 points)	4.0%	3.1%	4.5%
10 to 19 units	12.4% (±3.8 points)	3.9%	2.6%	4.3%
20 or more units	8.3% (±2.8 points)	10.6%	7.0%	10.3%
Mobile home	0.7% (±0.9 points)	0.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.0%	0.0%	0.1%

In Allison Park, the share of homes in buildings of five or more units is not measurably different from Allegheny County (18.5%).

It is also higher than in 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 Allison Park

Nearest places with a published estimate, compared with Allison Park
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Allison Park	—	22.6% (±4.8 points)	—
Glenshaw	2.4 mi	0.8% (±1.3 points)	Lower
Shaler Township	3.5 mi	2.9% (±0.9 points)	Lower
McCandless Township	3.5 mi	23.2% (±3.6 points)	Not measurably different
Gibsonia	4.1 mi	0.0% (±4.7 points)	Lower
Indiana Township	4.5 mi	2.1% (±2.2 points)	Lower
Ross Township (Allegheny County)	4.7 mi	23.0% (±3.0 points)	Not measurably different
Richland Township (Allegheny County)	4.9 mi	7.6% (±2.7 points)	Lower
Fox Chapel	5.0 mi	1.3% (±3.2 points)	Lower

Nearby places with a measurably lower figure: Glenshaw, PA (0.8%), Shaler Township, PA (2.9%), Gibsonia, PA (0.0%).

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 Allegheny County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Carnot-Moon	32.8% (±6.7 points)
2	Bakerstown	23.9% (±8.8 points)
3	Allison Park	22.6% (±4.8 points)
4	Glendale	11.7% (±8.5 points)
5	Greenock	6.9% (±6.3 points)
6	Natrona Heights	5.1% (±2.6 points)
7	Imperial	4.1% (±5.2 points)
8	Russellton	3.3% (±9.8 points)
9	Glenshaw	0.8% (±1.3 points)

Showing 9 of 13 places in Allegheny County, ranked from highest to lowest.

Allison Park is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Hampton Township, whose figures include it.

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 Allison Park

How many homes are in Allison Park?

Allison Park, PA has an estimated 9,487 (±617) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Allison Park houses or apartments?

70.1% are detached houses and 5.8% attached houses, while 23.4% are in buildings of two or more units.

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

0.8% of homes in Allison Park 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 — Allison Park CDP, 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 Allison Park CDP, Pennsylvania (place:02056, 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.