What kinds of homes are in Janesville, CA?

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

Janesville, CA has 1,122 (±145) homes (2020–2024 American Community Survey).

That is about 33 homes per square mile of land.

67.3% are detached single-family houses.

1.2% are in buildings of two to four units.

8.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,122 (±145)
Detached houses: 67.3%
2–4 unit buildings: 1.2%
5+ unit buildings: 8.0%

Homes in Janesville by building size

Housing units by units in structure, 2020–2024
Building type	Janesville	Lassen County	California	United States
Single-family, detached	67.3% (±11.1 points)	74.5%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	1.6% (±2.7 points)	0.7%	7.4%	6.2%
2 units	1.2% (±1.7 points)	2.3%	2.4%	3.4%
3 or 4 units	0.0% (±3.7 points)	2.7%	5.4%	4.3%
5 to 9 units	8.0% (±9.8 points)	3.4%	5.7%	4.5%
10 to 19 units	0.0% (±3.7 points)	0.9%	4.9%	4.3%
20 or more units	0.0% (±3.7 points)	2.2%	13.6%	10.3%
Mobile home	21.8% (±8.3 points)	12.6%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±3.7 points)	0.7%	0.1%	0.1%

In Janesville, the share of homes in buildings of five or more units is not measurably different from Lassen County (6.5%).

It is also lower than in California (24.2%).

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

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

Nearest places with a published estimate, compared with Janesville
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Janesville	—	8.0% (±11.1 points)	—
Johnstonville	7.4 mi	2.6% (±16.6 points)	Not measurably different
Susanville	12 mi	14.3% (±3.8 points)	Not measurably different
Westwood	27 mi	4.1% (±7.4 points)	Not measurably different
Portola	33 mi	13.0% (±7.6 points)	Not measurably different
East Quincy	35 mi	1.1% (±5.4 points)	Not measurably different
Quincy	35 mi	12.0% (±19.0 points)	Not measurably different
Chester	39 mi	7.8% (±7.3 points)	Not measurably different
Loyalton	45 mi	0.0% (±17.5 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 Lassen County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Susanville	14.3% (±3.8 points)
2	Janesville	8.0% (±11.1 points)
3	Westwood	4.1% (±7.4 points)
4	Johnstonville	2.6% (±16.6 points)

Janesville is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

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 Janesville

How many homes are in Janesville?

Janesville, CA has an estimated 1,122 (±145) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Janesville houses or apartments?

67.3% are detached houses and 1.6% attached houses, while 9.2% are in buildings of two or more units.

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

1.2% of homes in 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 CDP, California

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 CDP, California (place:37134, in state:06).

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.