What kinds of homes are in South Williamsport, PA?

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

South Williamsport, PA has 2,803 (±200) homes (2020–2024 American Community Survey).

That is about 1,476 homes per square mile of land.

65.6% are detached single-family houses.

9.8% are in buildings of two to four units.

15.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,803 (±200)
Detached houses: 65.6%
2–4 unit buildings: 9.8%
5+ unit buildings: 15.8%

Homes in South Williamsport by building size

Housing units by units in structure, 2020–2024
Building type	South Williamsport	Lycoming County	Pennsylvania	United States
Single-family, detached	65.6% (±6.2 points)	68.9%	56.6%	61.3%
Single-family, attached (townhouse, rowhouse)	8.9% (±3.7 points)	6.6%	18.8%	6.2%
2 units	4.0% (±2.4 points)	5.4%	4.3%	3.4%
3 or 4 units	5.8% (±4.3 points)	3.2%	4.0%	4.3%
5 to 9 units	5.1% (±2.9 points)	4.1%	3.1%	4.5%
10 to 19 units	7.2% (±3.7 points)	2.8%	2.6%	4.3%
20 or more units	3.5% (±3.4 points)	3.5%	7.0%	10.3%
Mobile home	0.0% (±1.2 points)	5.5%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±1.2 points)	0.0%	0.0%	0.1%

In South Williamsport, the share of homes in buildings of five or more units is not measurably different from Lycoming County (10.4%).

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

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near South Williamsport

Nearest places with a published estimate, compared with South Williamsport
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
South Williamsport	—	15.8% (±5.8 points)	—
Williamsport	2.0 mi	22.7% (±3.7 points)	Higher
Duboistown	2.0 mi	0.5% (±7.8 points)	Lower
Armstrong Township (Lycoming County)	2.7 mi	0.0% (±23.4 points)	Not measurably different
Loyalsock Township	2.8 mi	16.9% (±6.0 points)	Not measurably different
Kenmar	2.9 mi	13.5% (±9.2 points)	Not measurably different
Garden View	3.1 mi	11.8% (±6.7 points)	Not measurably different
Montoursville	4.5 mi	14.8% (±5.9 points)	Not measurably different
Old Lycoming Township	4.8 mi	6.5% (±3.8 points)	Lower

Nearby places with a measurably lower figure: Duboistown, PA (0.5%), Old Lycoming Township, PA (6.5%).

Nearby places with a measurably higher figure: Williamsport, PA (22.7%).

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 Lycoming County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Williamsport	22.7% (±3.7 points)
2	Loyalsock Township	16.9% (±6.0 points)
3	South Williamsport	15.8% (±5.8 points)
4	Hughesville	15.7% (±9.0 points)
5	Montoursville	14.8% (±5.9 points)
6	Montgomery	10.7% (±7.0 points)
7	Muncy Township	8.2% (±7.2 points)
8	Muncy	7.5% (±4.0 points)
9	Old Lycoming Township	6.5% (±3.8 points)

Showing 9 of 52 places in Lycoming 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 South Williamsport

How many homes are in South Williamsport?

South Williamsport, PA has an estimated 2,803 (±200) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in South Williamsport houses or apartments?

65.6% are detached houses and 8.9% attached houses, while 25.6% are in buildings of two or more units.

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

9.8% of homes in South Williamsport 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 — South Williamsport 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 South Williamsport borough, Pennsylvania (place:72648, 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.