What kinds of homes are in Upper St. Clair Township, PA?

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

Upper St. Clair Township, PA has 7,836 (±247) homes (2020–2024 American Community Survey).

That is about 798 homes per square mile of land.

86.3% are detached single-family houses.

0.4% are in buildings of two to four units.

10.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,836 (±247)
Detached houses: 86.3%
2–4 unit buildings: 0.4%
5+ unit buildings: 10.4%

Homes in Upper St. Clair Township by building size

Housing units by units in structure, 2020–2024
Building type	Upper St. Clair Township	Allegheny County	Pennsylvania	United States
Single-family, detached	86.3% (±2.1 points)	61.6%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	2.9% (±0.9 points)	10.3%	18.8%	6.2%
2 units	0.0% (±0.4 points)	4.6%	4.3%	3.4%
3 or 4 units	0.4% (±0.4 points)	4.2%	4.0%	4.3%
5 to 9 units	0.3% (±0.4 points)	4.0%	3.1%	4.5%
10 to 19 units	1.1% (±0.7 points)	3.9%	2.6%	4.3%
20 or more units	9.0% (±1.8 points)	10.6%	7.0%	10.3%
Mobile home	0.1% (±0.1 points)	0.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.4 points)	0.0%	0.0%	0.1%

In Upper St. Clair Township, the share of homes in buildings of five or more units is lower than in Allegheny County (18.5%).

It is also lower than in Pennsylvania (12.7%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Upper St. Clair Township

Nearest places with a published estimate, compared with Upper St. Clair Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Upper St. Clair Township	—	10.4% (±2.0 points)	—
Bridgeville	2.1 mi	19.0% (±4.8 points)	Higher
Bethel Park	2.6 mi	19.5% (±2.6 points)	Higher
Lawrence	2.8 mi	1.5% (±8.1 points)	Lower
Mount Lebanon Township	3.5 mi	22.1% (±2.4 points)	Higher
McMurray	3.6 mi	1.2% (±3.1 points)	Lower
Scott Township (Allegheny County)	3.7 mi	31.9% (±5.4 points)	Higher
Heidelberg	4.0 mi	10.3% (±4.6 points)	Not measurably different
Castle Shannon	4.1 mi	23.6% (±6.2 points)	Higher

Nearby places with a measurably lower figure: Lawrence, PA (1.5%), McMurray, PA (1.2%).

Nearby places with a measurably higher figure: Bridgeville, PA (19.0%), Bethel Park, PA (19.5%), Mount Lebanon Township, PA (22.1%).

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
64	West View	11.4% (±4.9 points)
65 (tie)	Munhall	11.2% (±3.6 points)
65 (tie)	South Park Township	11.2% (±3.0 points)
67 (tie)	Leetsdale	10.5% (±8.5 points)
67 (tie)	Kennedy Township	10.5% (±3.3 points)
69 (tie)	Clairton	10.4% (±4.8 points)
69 (tie)	Upper St. Clair Township	10.4% (±2.0 points)
71	Heidelberg	10.3% (±4.6 points)
72	Penn Hills Township	10.0% (±2.4 points)
73	Brackenridge	9.7% (±5.9 points)
74	Harmar Township	9.2% (±5.2 points)
75 (tie)	West Mifflin	9.1% (±3.0 points)
75 (tie)	Marshall Township	9.1% (±3.8 points)

Showing 13 of 128 places in Allegheny 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 Upper St. Clair Township

How many homes are in Upper St. Clair Township?

Upper St. Clair Township, PA has an estimated 7,836 (±247) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Upper St. Clair Township houses or apartments?

86.3% are detached houses and 2.9% attached houses, while 10.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in Upper St. Clair Township?

0.4% of homes in Upper St. Clair Township 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 — Upper St. Clair township, Allegheny County, 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 Upper St. Clair township, Allegheny County, Pennsylvania (county subdivision:79274, in state:42 county:003).

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.