How are homes heated in Janesville, WI?

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

Utility gas is the most common heating fuel in Janesville, used by 74.8% (±1.7 points) of occupied homes (2020–2024 American Community Survey).

21.5% heat with electricity.

0.4% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 74.8% (±1.7 points)
Electricity: 21.5%
Fuel oil, kerosene: 0.4%

Heating fuel in Janesville

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Janesville	Rock County	Wisconsin	United States
Utility gas	74.8% (±1.7 points)	70.2%	64.8%	46.5%
Fuel oil, kerosene, etc.	0.4% (±0.2 points)	1.1%	1.4%	3.9%
Electricity	21.5% (±1.6 points)	17.9%	17.8%	41.3%
Bottled or tank gas (propane)	1.8% (±0.5 points)	8.2%	11.8%	4.9%
Wood	0.5% (±0.3 points)	1.3%	2.7%	1.4%
Solar energy	0.0% (±0.1 points)	0.1%	0.1%	0.3%
Coal or coke	0.0% (±0.1 points)	0.0%	0.0%	0.1%
Other fuel	0.8% (±0.3 points)	0.7%	0.8%	0.5%
No fuel used	0.3% (±0.2 points)	0.5%	0.6%	1.2%

The survey asks which fuel is used most to heat the home, so a home with a heat pump and an oil backup is counted once, under the one it uses most.

In Janesville, the share of homes heating with fuel oil is lower than in Rock County (1.1%).

It is also lower than in Wisconsin (1.4%).

It is lower than the national figure (3.9%).

In Janesville, the share of homes heating with electricity is higher than in Rock County (17.9%).

It is also higher than in Wisconsin (17.8%).

It is lower than the national figure (41.3%).

Homes heated by electricity in places near Janesville

Nearest places with a published estimate, compared with Janesville
Place	Distance	Homes heated by electricity	Compared with this place
Janesville	—	21.5% (±1.6 points)	—
Town of Harmony (Rock County)	4.1 mi	4.8% (±3.7 points)	Lower
Town of Janesville	4.3 mi	5.2% (±4.2 points)	Lower
Town of La Prairie	5.2 mi	8.4% (±5.2 points)	Lower
Town of Rock (Rock County)	5.3 mi	16.3% (±11.8 points)	Not measurably different
Milton	7.2 mi	24.0% (±6.6 points)	Not measurably different
Town of Fulton	8.2 mi	7.1% (±4.9 points)	Lower
Town of Milton (Rock County)	8.9 mi	18.2% (±12.7 points)	Not measurably different
Town of Center (Rock County)	9.0 mi	2.6% (±1.9 points)	Lower

Nearby places with a measurably lower figure: Town of Harmony (Rock County), WI (4.8%), Town of Janesville, WI (5.2%), Town of La Prairie, WI (8.4%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes heated by fuel oil across Rock County, place by place

Rank	Place	Homes heated by fuel oil
16	Town of Johnstown (Rock County)	1.4% (±1.7 points)
17	Town of Milton (Rock County)	1.2% (±2.0 points)
18	Orfordville	1.1% (±1.0 points)
19	Footville	1.0% (±1.0 points)
20 (tie)	Town of Bradford	0.6% (±0.9 points)
20 (tie)	Town of Turtle	0.6% (±1.0 points)
22 (tie)	Janesville	0.4% (±0.2 points)
22 (tie)	Town of Beloit	0.4% (±0.5 points)
24	Town of Harmony (Rock County)	0.3% (±0.6 points)
25	Beloit	0.1% (±0.1 points)
26 (tie)	Clinton	0.0% (±2.8 points)
26 (tie)	Milton	0.0% (±0.9 points)
26 (tie)	Town of Fulton	0.0% (±1.5 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 Janesville

What is the most common way to heat a home in Janesville?

Utility gas is the most common heating fuel in Janesville, used by 74.8% of occupied homes (2020–2024 American Community Survey).

How many homes in Janesville heat with oil?

0.4% (±0.2 points) of occupied homes in Janesville use fuel oil or kerosene as their main heating fuel.

How many homes in Janesville have electric heat?

21.5% (±1.6 points) of occupied homes in Janesville heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Janesville city, 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 city, Wisconsin (place:37825, 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_0063PE, DP04_0063PM, DP04_0066PE, DP04_0066PM, DP04_0065PE, DP04_0065PM, DP04_0064PE, DP04_0064PM, DP04_0068PE, DP04_0068PM, DP04_0069PE, DP04_0069PM, DP04_0067PE, DP04_0067PM, DP04_0070PE, DP04_0070PM, DP04_0071PE, DP04_0071PM

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.