What kinds of homes are in Blawnox, PA?

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

Blawnox, PA has 985 (±134) homes (2020–2024 American Community Survey).

That is about 3,328 homes per square mile of land.

28.8% are detached single-family houses.

13.5% are in buildings of two to four units.

36.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 985 (±134)
Detached houses: 28.8%
2–4 unit buildings: 13.5%
5+ unit buildings: 36.6%

Homes in Blawnox by building size

Housing units by units in structure, 2020–2024
Building type	Blawnox	Allegheny County	Pennsylvania	United States
Single-family, detached	28.8% (±7.8 points)	61.6%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	21.0% (±5.8 points)	10.3%	18.8%	6.2%
2 units	5.0% (±3.2 points)	4.6%	4.3%	3.4%
3 or 4 units	8.5% (±6.5 points)	4.2%	4.0%	4.3%
5 to 9 units	9.1% (±5.1 points)	4.0%	3.1%	4.5%
10 to 19 units	8.0% (±4.9 points)	3.9%	2.6%	4.3%
20 or more units	19.5% (±7.8 points)	10.6%	7.0%	10.3%
Mobile home	0.0% (±3.2 points)	0.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±3.2 points)	0.0%	0.0%	0.1%

In Blawnox, the share of homes in buildings of five or more units is higher than in Allegheny County (18.5%).

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

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

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

Nearest places with a published estimate, compared with Blawnox
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Blawnox	—	36.6% (±10.5 points)	—
O'Hara Township	0.9 mi	15.2% (±4.5 points)	Lower
Verona	1.3 mi	15.6% (±8.5 points)	Lower
Penn Hills Township	1.9 mi	10.0% (±2.4 points)	Lower
Oakmont	2.2 mi	20.3% (±4.8 points)	Lower
Aspinwall	2.3 mi	15.3% (±6.3 points)	Lower
Fox Chapel	2.7 mi	1.3% (±3.2 points)	Lower
Sharpsburg	3.3 mi	19.2% (±7.1 points)	Lower
Wilkinsburg	3.5 mi	32.5% (±4.4 points)	Not measurably different

Nearby places with a measurably lower figure: O'Hara Township, PA (15.2%), Verona, PA (15.6%), Penn Hills Township, PA (10.0%).

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	Aleppo Township (Allegheny County)	50.1% (±6.5 points)
2	Avalon	43.6% (±9.2 points)
3	Blawnox	36.6% (±10.5 points)
4	Wilkinsburg	32.5% (±4.4 points)
5	Versailles	32.2% (±9.2 points)
6	Scott Township (Allegheny County)	31.9% (±5.4 points)
7	Bellevue	31.0% (±6.1 points)
8	Wilkins Township	29.3% (±6.7 points)
9 (tie)	Pittsburgh	27.4% (±0.8 points)

Showing 9 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 Blawnox

How many homes are in Blawnox?

Blawnox, PA has an estimated 985 (±134) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Blawnox houses or apartments?

28.8% are detached houses and 21.0% attached houses, while 50.1% are in buildings of two or more units.

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

13.5% of homes in Blawnox 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 — Blawnox 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 Blawnox borough, Pennsylvania (place:07000, 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.