What kinds of homes are in Williams Bay, WI?

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

Williams Bay, WI has 2,173 (±149) homes (2020–2024 American Community Survey).

That is about 782 homes per square mile of land.

70.5% are detached single-family houses.

16.1% are in buildings of two to four units.

12.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,173 (±149)
Detached houses: 70.5%
2–4 unit buildings: 16.1%
5+ unit buildings: 12.3%

Homes in Williams Bay by building size

Housing units by units in structure, 2020–2024
Building type	Williams Bay	Walworth County	Wisconsin	United States
Single-family, detached	70.5% (±6.4 points)	69.8%	66.2%	61.3%
Single-family, attached (townhouse, rowhouse)	1.2% (±1.0 points)	5.3%	4.3%	6.2%
2 units	2.6% (±3.0 points)	3.0%	5.9%	3.4%
3 or 4 units	13.5% (±5.2 points)	3.8%	3.5%	4.3%
5 to 9 units	4.5% (±3.2 points)	6.6%	4.9%	4.5%
10 to 19 units	1.5% (±1.7 points)	3.1%	3.7%	4.3%
20 or more units	6.3% (±6.4 points)	5.9%	8.4%	10.3%
Mobile home	0.0% (±1.0 points)	2.4%	3.1%	5.6%
Boat, RV, van, etc.	0.0% (±1.0 points)	0.0%	0.0%	0.1%

In Williams Bay, the share of homes in buildings of five or more units is not measurably different from Walworth County (15.6%).

It is not measurably different from Wisconsin (17.0%).

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

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

Nearest places with a published estimate, compared with Williams Bay
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Williams Bay	—	12.3% (±7.4 points)	—
Town of Delavan	2.3 mi	11.3% (±4.1 points)	Not measurably different
Fontana-on-Geneva Lake	2.7 mi	15.8% (±5.0 points)	Not measurably different
Como	3.8 mi	5.3% (±4.8 points)	Not measurably different
Walworth	4.1 mi	24.8% (±7.4 points)	Higher
Delavan Lake	4.2 mi	9.9% (±4.7 points)	Not measurably different
Town of Walworth	4.3 mi	2.3% (±3.6 points)	Lower
Town of Linn	4.4 mi	1.0% (±1.4 points)	Lower
Town of Geneva	4.5 mi	11.7% (±3.8 points)	Not measurably different

Nearby places with a measurably lower figure: Town of Walworth, WI (2.3%), Town of Linn, WI (1.0%).

Nearby places with a measurably higher figure: Walworth, WI (24.8%).

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 Walworth County, place by place

Rank	Place	Homes in buildings of 5 or more units
4	Elkhorn	26.8% (±6.3 points)
5	Delavan	25.3% (±5.9 points)
6	Walworth	24.8% (±7.4 points)
7	Sharon	22.9% (±5.6 points)
8	Fontana-on-Geneva Lake	15.8% (±5.0 points)
9	Darien	12.6% (±8.7 points)
10	Williams Bay	12.3% (±7.4 points)
11	Town of Geneva	11.7% (±3.8 points)
12	Town of Delavan	11.3% (±4.1 points)
13	Town of Walworth	2.3% (±3.6 points)
14	Town of Bloomfield (Walworth County)	1.3% (±4.4 points)
15 (tie)	Genoa City	1.2% (±2.3 points)
15 (tie)	Town of La Grange (Walworth County)	1.2% (±2.0 points)

Showing 13 of 28 places in Walworth 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 Williams Bay

How many homes are in Williams Bay?

Williams Bay, WI has an estimated 2,173 (±149) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Williams Bay houses or apartments?

70.5% are detached houses and 1.2% attached houses, while 28.4% are in buildings of two or more units.

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

16.1% of homes in Williams 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 — Williams 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 Williams Bay village, Wisconsin (place:87200, 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.