What kinds of homes are in Allentown, PA?

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

Allentown, PA has 49,502 (±929) homes (2020–2024 American Community Survey).

That is about 2,818 homes per square mile of land.

25.9% are detached single-family houses.

14.9% are in buildings of two to four units.

22.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 49,502 (±929)
Detached houses: 25.9%
2–4 unit buildings: 14.9%
5+ unit buildings: 22.8%

Homes in Allentown by building size

Housing units by units in structure, 2020–2024
Building type	Allentown	Lehigh County	Pennsylvania	United States
Single-family, detached	25.9% (±1.4 points)	49.6%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	36.0% (±2.1 points)	24.6%	18.8%	6.2%
2 units	6.4% (±1.1 points)	4.1%	4.3%	3.4%
3 or 4 units	8.5% (±1.4 points)	4.6%	4.0%	4.3%
5 to 9 units	5.9% (±0.9 points)	4.4%	3.1%	4.5%
10 to 19 units	6.2% (±1.1 points)	4.7%	2.6%	4.3%
20 or more units	10.7% (±1.2 points)	6.3%	7.0%	10.3%
Mobile home	0.3% (±0.2 points)	1.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.1 points)	0.0%	0.0%	0.1%

In Allentown, the share of homes in buildings of five or more units is higher than in Lehigh County (15.4%).

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 Allentown

Nearest places with a published estimate, compared with Allentown
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Allentown	—	22.8% (±1.9 points)	—
Dorneyville	2.5 mi	2.8% (±2.9 points)	Lower
Fullerton	2.6 mi	32.7% (±5.8 points)	Higher
Salisbury Township (Lehigh County)	2.6 mi	5.8% (±2.7 points)	Lower
Cetronia	3.5 mi	1.0% (±5.0 points)	Lower
South Whitehall Township	3.9 mi	12.7% (±2.1 points)	Lower
Emmaus	4.2 mi	18.9% (±4.8 points)	Not measurably different
Catasauqua	4.3 mi	14.5% (±6.0 points)	Lower
Fountain Hill	4.4 mi	17.4% (±7.1 points)	Not measurably different

Nearby places with a measurably lower figure: Dorneyville, PA (2.8%), Salisbury Township (Lehigh County), PA (5.8%), Cetronia, PA (1.0%).

Nearby places with a measurably higher figure: Fullerton, PA (32.7%).

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 Lehigh County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Whitehall Township	23.0% (±3.6 points)
2	Allentown	22.8% (±1.9 points)
3	Hanover Township (Lehigh County)	20.4% (±6.4 points)
4	Emmaus	18.9% (±4.8 points)
5	Macungie	18.7% (±8.5 points)
6	Fountain Hill	17.4% (±7.1 points)
7 (tie)	Catasauqua	14.5% (±6.0 points)
7 (tie)	Upper Macungie Township	14.5% (±3.1 points)

Showing 8 of 24 places in Lehigh 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 Allentown

How many homes are in Allentown?

Allentown, PA has an estimated 49,502 (±929) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Allentown houses or apartments?

25.9% are detached houses and 36.0% attached houses, while 37.7% are in buildings of two or more units.

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

14.9% of homes in Allentown 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 — Allentown 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 Allentown city, Pennsylvania (place:02000, 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.