What kinds of homes are in the Town of Janesville, WI?

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

The Town of Janesville, WI has 1,652 (±170) homes (2020–2024 American Community Survey).

That is about 62 homes per square mile of land.

97.9% are detached single-family houses.

0.0% are in buildings of two to four units.

0.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,652 (±170)
Detached houses: 97.9%
2–4 unit buildings: 0.0%
5+ unit buildings: 0.0%

Homes in the Town of Janesville by building size

Housing units by units in structure, 2020–2024
Building type	Town of Janesville	Rock County	Wisconsin	United States
Single-family, detached	97.9% (±2.6 points)	74.4%	66.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.1% (±2.6 points)	4.5%	4.3%	6.2%
2 units	0.0% (±1.4 points)	4.4%	5.9%	3.4%
3 or 4 units	0.0% (±1.4 points)	2.4%	3.5%	4.3%
5 to 9 units	0.0% (±1.4 points)	3.8%	4.9%	4.5%
10 to 19 units	0.0% (±1.4 points)	2.4%	3.7%	4.3%
20 or more units	0.0% (±1.4 points)	5.4%	8.4%	10.3%
Mobile home	0.0% (±1.4 points)	2.6%	3.1%	5.6%
Boat, RV, van, etc.	0.0% (±1.4 points)	0.0%	0.0%	0.1%

In the Town of Janesville, the share of homes in buildings of five or more units is lower than in Rock County (11.6%).

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

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

Homes in buildings of 5 or more units in places near the Town of Janesville

Nearest places with a published estimate, compared with the Town of Janesville
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Town of Janesville	—	0.0% (±2.4 points)	—
Janesville	4.3 mi	15.5% (±1.7 points)	Higher
Town of Center (Rock County)	5.2 mi	0.0% (±8.0 points)	Not measurably different
Town of Fulton	5.2 mi	0.0% (±1.7 points)	Not measurably different
Town of Rock (Rock County)	6.4 mi	0.0% (±2.9 points)	Not measurably different
Town of Harmony (Rock County)	7.1 mi	0.0% (±3.6 points)	Not measurably different
Footville	7.2 mi	2.8% (±7.5 points)	Not measurably different
Town of Porter	7.9 mi	0.0% (±9.5 points)	Not measurably different
Milton	8.2 mi	12.6% (±5.1 points)	Higher

Nearby places with a measurably higher figure: Janesville, WI (15.5%), Milton, WI (12.6%).

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 Rock County, place by place

Rank	Place	Homes in buildings of 5 or more units
13 (tie)	Town of Avon	0.0% (±13.3 points)
13 (tie)	Town of Bradford	0.0% (±10.2 points)
13 (tie)	Town of Center (Rock County)	0.0% (±8.0 points)
13 (tie)	Town of Clinton (Rock County)	0.0% (±8.5 points)
13 (tie)	Town of Fulton	0.0% (±1.7 points)
13 (tie)	Town of Harmony (Rock County)	0.0% (±3.6 points)
13 (tie)	Town of Janesville	0.0% (±2.4 points)
13 (tie)	Town of Johnstown (Rock County)	0.0% (±12.3 points)
13 (tie)	Town of Lima (Rock County)	0.0% (±7.1 points)
13 (tie)	Town of Magnolia	0.0% (±8.3 points)
13 (tie)	Town of Newark	0.0% (±7.1 points)
13 (tie)	Town of Plymouth (Rock County)	0.0% (±9.0 points)
13 (tie)	Town of Porter	0.0% (±9.5 points)

Showing 13 of 28 places in Rock 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 Town of Janesville

How many homes are in the Town of Janesville?

The Town of Janesville, WI has an estimated 1,652 (±170) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in the Town of Janesville houses or apartments?

97.9% are detached houses and 2.1% attached houses, while 0.0% are in buildings of two or more units.

How many two-family and small multifamily homes are in the Town of Janesville?

0.0% of homes in the Town of Janesville 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 — Janesville town, Rock County, 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 Janesville town, Rock County, Wisconsin (county subdivision:37850, in state:55 county:105).

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.