How are homes heated in Cornwall, CT?

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

Fuel oil or kerosene is the most common heating fuel in Cornwall, used by 64.1% (±7.8 points) of occupied homes (2020–2024 American Community Survey).

2.8% heat with utility gas.

5.8% heat with electricity.

Figures last updated on November 12, 2026.

Utility gas: 2.8% (±1.9 points)
Electricity: 5.8%
Fuel oil, kerosene: 64.1%

Heating fuel in Cornwall

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Cornwall	Northwest Hills Planning Region	Connecticut	United States
Utility gas	2.8% (±1.9 points)	16.4%	36.3%	46.5%
Fuel oil, kerosene, etc.	64.1% (±7.8 points)	53.1%	36.3%	3.9%
Electricity	5.8% (±3.7 points)	14.3%	18.4%	41.3%
Bottled or tank gas (propane)	15.3% (±5.6 points)	9.8%	5.8%	4.9%
Wood	11.3% (±4.4 points)	4.7%	1.4%	1.4%
Solar energy	0.0% (±6.3 points)	0.1%	0.2%	0.3%
Coal or coke	0.0% (±6.3 points)	0.1%	0.0%	0.1%
Other fuel	0.6% (±0.9 points)	1.3%	1.0%	0.5%
No fuel used	0.0% (±6.3 points)	0.2%	0.5%	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 Cornwall, the share of homes heating with fuel oil is higher than in Northwest Hills Planning Region (53.1%).

It is also higher than in Connecticut (36.3%).

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

In Cornwall, the share of homes heating with electricity is lower than in Northwest Hills Planning Region (14.3%).

It is also lower than in Connecticut (18.4%).

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

Homes heated by electricity in places near Cornwall

Nearest places with a published estimate, compared with Cornwall
Place	Distance	Homes heated by electricity	Compared with this place
Cornwall	—	5.8% (±3.7 points)	—
Goshen	5.0 mi	6.4% (±3.6 points)	Not measurably different
Sharon	6.2 mi	9.7% (±7.1 points)	Not measurably different
Warren	7.8 mi	5.4% (±4.3 points)	Not measurably different
Canaan	8.0 mi	1.6% (±1.6 points)	Lower
Litchfield	10 mi	17.8% (±3.6 points)	Higher
Torrington	10 mi	18.0% (±2.5 points)	Higher
Kent	10 mi	15.6% (±6.1 points)	Higher
Salisbury	11 mi	19.1% (±7.1 points)	Higher

Nearby places with a measurably lower figure: Canaan, CT (1.6%).

Nearby places with a measurably higher figure: Litchfield, CT (17.8%), Torrington, CT (18.0%), Kent, CT (15.6%).

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

Homes heated by fuel oil across Northwest Hills Planning Region, place by place

Rank	Place	Homes heated by fuel oil
6	Burlington	68.1% (±4.9 points)
7	Canaan	67.1% (±7.7 points)
8	Sharon	66.4% (±10.1 points)
9 (tie)	Kent	65.7% (±8.1 points)
9 (tie)	Norfolk	65.7% (±7.4 points)
11	Colebrook	65.1% (±7.4 points)
12	Cornwall	64.1% (±7.8 points)
13	Goshen	62.3% (±9.6 points)
14	Litchfield	59.5% (±5.2 points)
15	Roxbury	57.6% (±9.0 points)
16	Washington	56.1% (±8.4 points)
17	Warren	53.1% (±8.3 points)
18	Salisbury	49.9% (±9.2 points)

Showing 13 of 21 places in Northwest Hills Planning Region, 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 Cornwall

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

Fuel oil or kerosene is the most common heating fuel in Cornwall, used by 64.1% of occupied homes (2020–2024 American Community Survey).

How many homes in Cornwall heat with oil?

64.1% (±7.8 points) of occupied homes in Cornwall use fuel oil or kerosene as their main heating fuel.

How many homes in Cornwall have electric heat?

5.8% (±3.7 points) of occupied homes in Cornwall heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Cornwall town, Northwest Hills Planning Region, Connecticut

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 Cornwall town, Northwest Hills Planning Region, Connecticut (county subdivision:17240, in state:09 county:160).

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.