What kinds of homes are in Williamstown, PA?

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

Williamstown, PA has 638 (±62) homes (2020–2024 American Community Survey).

That is about 2,463 homes per square mile of land.

61.9% are detached single-family houses.

14.1% are in buildings of two to four units.

7.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 638 (±62)
Detached houses: 61.9%
2–4 unit buildings: 14.1%
5+ unit buildings: 7.1%

Homes in Williamstown by building size

Housing units by units in structure, 2020–2024
Building type	Williamstown	Dauphin County	Pennsylvania	United States
Single-family, detached	61.9% (±8.7 points)	49.5%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	14.6% (±5.1 points)	22.4%	18.8%	6.2%
2 units	8.6% (±5.3 points)	3.1%	4.3%	3.4%
3 or 4 units	5.5% (±4.4 points)	5.0%	4.0%	4.3%
5 to 9 units	7.1% (±4.8 points)	5.5%	3.1%	4.5%
10 to 19 units	0.0% (±5.0 points)	4.9%	2.6%	4.3%
20 or more units	0.0% (±5.0 points)	7.0%	7.0%	10.3%
Mobile home	2.4% (±2.7 points)	2.6%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±5.0 points)	0.0%	0.0%	0.1%

In Williamstown, the share of homes in buildings of five or more units is lower than in Dauphin County (17.4%).

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 Williamstown

Nearest places with a published estimate, compared with Williamstown
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Williamstown	—	7.1% (±8.5 points)	—
Williams Township (Dauphin County)	1.0 mi	7.7% (±10.8 points)	Not measurably different
Tower City	3.4 mi	5.0% (±6.0 points)	Not measurably different
Hubley Township	4.1 mi	0.0% (±12.8 points)	Not measurably different
Wiconisco Township	4.3 mi	2.9% (±7.4 points)	Not measurably different
Lykens	4.4 mi	8.8% (±5.7 points)	Not measurably different
Rush Township (Dauphin County)	4.5 mi	0.0% (±33.8 points)	Not measurably different
Gratz	5.5 mi	9.9% (±11.8 points)	Not measurably different
Porter Township (Schuylkill County)	5.7 mi	2.0% (±4.2 points)	Not measurably different

None of the nearby places differs measurably from this one on this figure.

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 Dauphin County, place by place

Rank	Place	Homes in buildings of 5 or more units
12	South Hanover Township	10.1% (±4.3 points)
13	Gratz	9.9% (±11.8 points)
14	Steelton	8.9% (±3.7 points)
15	Lykens	8.8% (±5.7 points)
16	Williams Township (Dauphin County)	7.7% (±10.8 points)
17	West Hanover Township	7.2% (±3.9 points)
18	Williamstown	7.1% (±8.5 points)
19	Royalton	5.2% (±7.9 points)
20	Washington Township (Dauphin County)	4.8% (±5.5 points)
21	Elizabethville	3.8% (±8.1 points)
22	Lower Swatara Township	3.1% (±2.6 points)
23 (tie)	Middle Paxton Township	2.9% (±3.1 points)
23 (tie)	Wiconisco Township	2.9% (±7.4 points)

Showing 13 of 40 places in Dauphin 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 Williamstown

How many homes are in Williamstown?

Williamstown, PA has an estimated 638 (±62) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Williamstown houses or apartments?

61.9% are detached houses and 14.6% attached houses, while 21.2% are in buildings of two or more units.

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

14.1% of homes in Williamstown 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 — Williamstown 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 Williamstown borough, Pennsylvania (place:85320, 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.