What kinds of homes are in Rosemont, PA?

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

Rosemont, PA has 1,461 (±192) homes (2020–2024 American Community Survey).

That is about 1,780 homes per square mile of land.

36.2% are detached single-family houses.

6.6% are in buildings of two to four units.

51.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,461 (±192)
Detached houses: 36.2%
2–4 unit buildings: 6.6%
5+ unit buildings: 51.8%

Homes in Rosemont by building size

Housing units by units in structure, 2020–2024
Building type	Rosemont	Montgomery County	Pennsylvania	United States
Single-family, detached	36.2% (±5.9 points)	53.0%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	5.4% (±2.7 points)	20.1%	18.8%	6.2%
2 units	1.3% (±1.1 points)	3.2%	4.3%	3.4%
3 or 4 units	5.3% (±4.3 points)	3.8%	4.0%	4.3%
5 to 9 units	0.4% (±0.7 points)	2.8%	3.1%	4.5%
10 to 19 units	0.6% (±0.9 points)	3.7%	2.6%	4.3%
20 or more units	50.8% (±6.3 points)	12.6%	7.0%	10.3%
Mobile home	0.0% (±2.2 points)	0.8%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±2.2 points)	0.1%	0.0%	0.1%

In Rosemont, the share of homes in buildings of five or more units is higher than in Montgomery County (19.1%).

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 Rosemont

Nearest places with a published estimate, compared with Rosemont
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Rosemont	—	51.8% (±6.4 points)	—
Bryn Mawr	0.9 mi	28.1% (±6.0 points)	Lower
Villanova	1.0 mi	0.0% (±5.5 points)	Lower
Haverford College	1.8 mi	0.0% (±58.5 points)	Not measurably different
Radnor Township	2.5 mi	26.0% (±3.4 points)	Lower
St. Davids	2.5 mi	39.9% (±9.6 points)	Lower
Ardmore	2.6 mi	27.7% (±5.3 points)	Lower
West Conshohocken	2.8 mi	0.4% (±6.0 points)	Lower
Haverford Township	3.1 mi	9.2% (±1.5 points)	Lower

Nearby places with a measurably lower figure: Bryn Mawr, PA (28.1%), Villanova, PA (0.0%), Radnor Township, PA (26.0%).

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 Montgomery County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	King of Prussia	55.2% (±3.2 points)
2	Rosemont	51.8% (±6.4 points)
3	Plymouth Meeting	42.5% (±5.6 points)
4	Audubon	40.7% (±6.4 points)
5	Bala Cynwyd	36.6% (±5.8 points)
6	Elkins Park	30.7% (±6.9 points)
7	Penn Wynne	28.9% (±5.0 points)
8	Bryn Mawr	28.1% (±6.0 points)

Showing 8 of 43 places in Montgomery County, ranked from highest to lowest.

Rosemont is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Lower Merion Township, whose figures include it.

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 Rosemont

How many homes are in Rosemont?

Rosemont, PA has an estimated 1,461 (±192) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Rosemont houses or apartments?

36.2% are detached houses and 5.4% attached houses, while 58.4% are in buildings of two or more units.

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

6.6% of homes in Rosemont 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 — Rosemont CDP, 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 Rosemont CDP, Pennsylvania (place:66144, 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.