What kinds of homes are in Mount Oliver, PA?

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

Mount Oliver, PA has 1,489 (±262) homes (2020–2024 American Community Survey).

That is about 4,392 homes per square mile of land.

66.0% are detached single-family houses.

17.6% are in buildings of two to four units.

4.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,489 (±262)
Detached houses: 66.0%
2–4 unit buildings: 17.6%
5+ unit buildings: 4.7%

Homes in Mount Oliver by building size

Housing units by units in structure, 2020–2024
Building type	Mount Oliver	Allegheny County	Pennsylvania	United States
Single-family, detached	66.0% (±8.7 points)	61.6%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	11.4% (±7.2 points)	10.3%	18.8%	6.2%
2 units	13.4% (±8.5 points)	4.6%	4.3%	3.4%
3 or 4 units	4.2% (±3.2 points)	4.2%	4.0%	4.3%
5 to 9 units	3.0% (±4.6 points)	4.0%	3.1%	4.5%
10 to 19 units	1.7% (±2.1 points)	3.9%	2.6%	4.3%
20 or more units	0.0% (±2.2 points)	10.6%	7.0%	10.3%
Mobile home	0.3% (±0.6 points)	0.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±2.2 points)	0.0%	0.0%	0.1%

In Mount Oliver, 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 Mount Oliver

Nearest places with a published estimate, compared with Mount Oliver
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mount Oliver	—	4.7% (±5.5 points)	—
Pittsburgh	2.0 mi	27.4% (±0.8 points)	Higher
Baldwin Township	2.6 mi	0.0% (±6.2 points)	Not measurably different
Brentwood	2.7 mi	15.6% (±7.8 points)	Higher
Dormont	3.0 mi	13.7% (±4.0 points)	Higher
Baldwin	3.0 mi	17.5% (±3.6 points)	Higher
Whitehall	3.5 mi	20.4% (±4.4 points)	Higher
Castle Shannon	3.6 mi	23.6% (±6.2 points)	Higher
Green Tree	3.6 mi	17.9% (±8.4 points)	Higher

Nearby places with a measurably higher figure: Pittsburgh, PA (27.4%), Brentwood, PA (15.6%), Dormont, PA (13.7%).

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
85	Jefferson Hills	6.2% (±2.7 points)
86 (tie)	Glassport	5.9% (±2.7 points)
86 (tie)	Stowe Township	5.9% (±3.6 points)
88	Port Vue	5.1% (±3.9 points)
89	Whitaker	5.0% (±5.8 points)
90	West Deer Township	4.8% (±2.7 points)
91	Mount Oliver	4.7% (±5.5 points)
92	Elizabeth Township (Allegheny County)	4.5% (±2.4 points)
93 (tie)	Bradford Woods	3.8% (±9.2 points)
93 (tie)	East Deer Township	3.8% (±5.5 points)
95	Shaler Township	2.9% (±0.9 points)
96	Neville Township	2.3% (±7.8 points)
97	Indiana Township	2.1% (±2.2 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 Mount Oliver

How many homes are in Mount Oliver?

Mount Oliver, PA has an estimated 1,489 (±262) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mount Oliver houses or apartments?

66.0% are detached houses and 11.4% attached houses, while 22.3% are in buildings of two or more units.

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

17.6% of homes in Mount Oliver 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 — Mount Oliver 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 Mount Oliver borough, Pennsylvania (place:51744, 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.