What kinds of homes are in Sister Bay, WI?

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

Sister Bay, WI has 1,408 (±138) homes (2020–2024 American Community Survey).

That is about 528 homes per square mile of land.

34.2% are detached single-family houses.

16.6% are in buildings of two to four units.

39.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,408 (±138)
Detached houses: 34.2%
2–4 unit buildings: 16.6%
5+ unit buildings: 39.3%

Homes in Sister Bay by building size

Housing units by units in structure, 2020–2024
Building type	Sister Bay	Door County	Wisconsin	United States
Single-family, detached	34.2% (±6.6 points)	74.1%	66.2%	61.3%
Single-family, attached (townhouse, rowhouse)	9.8% (±3.5 points)	2.7%	4.3%	6.2%
2 units	2.1% (±1.7 points)	2.8%	5.9%	3.4%
3 or 4 units	14.5% (±4.5 points)	3.6%	3.5%	4.3%
5 to 9 units	17.0% (±5.1 points)	5.3%	4.9%	4.5%
10 to 19 units	11.5% (±4.8 points)	3.0%	3.7%	4.3%
20 or more units	10.8% (±3.3 points)	2.9%	8.4%	10.3%
Mobile home	0.0% (±1.6 points)	5.7%	3.1%	5.6%
Boat, RV, van, etc.	0.0% (±1.6 points)	0.0%	0.0%	0.1%

In Sister Bay, the share of homes in buildings of five or more units is higher than in Door County (11.2%).

It is also higher than in Wisconsin (17.0%).

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

Homes in buildings of 5 or more units in places near Sister Bay

Nearest places with a published estimate, compared with Sister Bay
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Sister Bay	—	39.3% (±7.7 points)	—
Ephraim	2.5 mi	8.2% (±4.5 points)	Lower
Town of Gibraltar	7.0 mi	11.1% (±4.3 points)	Lower
Town of Baileys Harbor	7.6 mi	4.6% (±2.7 points)	Lower
Town of Liberty Grove	9.4 mi	1.2% (±1.3 points)	Lower
Town of Jacksonport	12 mi	0.0% (±4.3 points)	Lower
Egg Harbor	13 mi	25.4% (±6.5 points)	Lower
Town of Sevastopol	18 mi	4.5% (±3.4 points)	Lower
Town of Egg Harbor	19 mi	15.1% (±4.3 points)	Lower

Nearby places with a measurably lower figure: Ephraim, WI (8.2%), Town of Gibraltar, WI (11.1%), Town of Baileys Harbor, WI (4.6%).

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 Door County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Sister Bay	39.3% (±7.7 points)
2	Egg Harbor	25.4% (±6.5 points)
3	Sturgeon Bay	21.7% (±5.6 points)
4	Town of Egg Harbor	15.1% (±4.3 points)
5	Town of Gibraltar	11.1% (±4.3 points)
6	Ephraim	8.2% (±4.5 points)
7	Forestville	6.9% (±5.3 points)

Showing 7 of 19 places in Door 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 Sister Bay

How many homes are in Sister Bay?

Sister Bay, WI has an estimated 1,408 (±138) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Sister Bay houses or apartments?

34.2% are detached houses and 9.8% attached houses, while 55.9% are in buildings of two or more units.

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

16.6% of homes in Sister Bay 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 — Sister Bay village, Wisconsin

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 Sister Bay village, Wisconsin (place:74225, in state:55).

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.