What kinds of homes are in Arnold, PA?

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

Arnold, PA has 2,714 (±204) homes (2020–2024 American Community Survey).

That is about 3,708 homes per square mile of land.

72.5% are detached single-family houses.

10.9% are in buildings of two to four units.

10.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,714 (±204)
Detached houses: 72.5%
2–4 unit buildings: 10.9%
5+ unit buildings: 10.9%

Homes in Arnold by building size

Housing units by units in structure, 2020–2024
Building type	Arnold	Westmoreland County	Pennsylvania	United States
Single-family, detached	72.5% (±5.4 points)	76.9%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	5.6% (±2.8 points)	5.3%	18.8%	6.2%
2 units	7.8% (±3.3 points)	3.1%	4.3%	3.4%
3 or 4 units	3.1% (±1.7 points)	2.8%	4.0%	4.3%
5 to 9 units	3.5% (±2.9 points)	1.8%	3.1%	4.5%
10 to 19 units	0.0% (±1.2 points)	1.5%	2.6%	4.3%
20 or more units	7.4% (±5.1 points)	3.4%	7.0%	10.3%
Mobile home	0.0% (±1.2 points)	5.1%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±1.2 points)	0.0%	0.0%	0.1%

In Arnold, the share of homes in buildings of five or more units is not measurably different from Westmoreland County (6.7%).

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

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

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

Nearest places with a published estimate, compared with Arnold
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Arnold	—	10.9% (±6.0 points)	—
New Kensington	0.8 mi	16.7% (±3.6 points)	Not measurably different
East Deer Township	1.3 mi	3.8% (±5.5 points)	Not measurably different
Tarentum	1.8 mi	12.4% (±6.4 points)	Not measurably different
Springdale Township	2.3 mi	0.5% (±5.7 points)	Lower
Brackenridge	2.4 mi	9.7% (±5.9 points)	Not measurably different
Lower Burrell	2.5 mi	8.5% (±2.7 points)	Not measurably different
Frazer Township	2.5 mi	0.0% (±10.4 points)	Not measurably different
Springdale	2.8 mi	12.1% (±3.8 points)	Not measurably different

Nearby places with a measurably lower figure: Springdale Township, PA (0.5%).

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 Westmoreland County, place by place

Rank	Place	Homes in buildings of 5 or more units
6	New Kensington	16.7% (±3.6 points)
7	Youngwood	14.2% (±8.1 points)
8	Scottdale	11.4% (±6.2 points)
9	Latrobe	11.1% (±3.5 points)
10 (tie)	Derry	11.0% (±3.5 points)
10 (tie)	Southwest Greensburg	11.0% (±6.2 points)
12	Arnold	10.9% (±6.0 points)
13	Avonmore	10.5% (±10.1 points)
14	Monessen	9.8% (±3.4 points)
15	Mount Pleasant	9.6% (±4.5 points)
16	Lower Burrell	8.5% (±2.7 points)
17	North Irwin	8.2% (±11.4 points)
18	Hempfield Township (Westmoreland County)	7.5% (±1.3 points)

Showing 13 of 65 places in Westmoreland 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 Arnold

How many homes are in Arnold?

Arnold, PA has an estimated 2,714 (±204) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Arnold houses or apartments?

72.5% are detached houses and 5.6% attached houses, while 21.8% are in buildings of two or more units.

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

10.9% of homes in Arnold 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 — Arnold city, 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 Arnold city, Pennsylvania (place:03088, 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.