How are homes heated in Griswold, CT?

Name: Heating fuel in Griswold, 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 Griswold, used by 67.7% (±5.9 points) of occupied homes (2020–2024 American Community Survey).

5.3% heat with utility gas.

15.5% heat with electricity.

Figures last updated on November 12, 2026.

Utility gas: 5.3% (±3.0 points)
Electricity: 15.5%
Fuel oil, kerosene: 67.7%

Heating fuel in Griswold

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Griswold	Southeastern Connecticut Planning Region	Connecticut	United States
Utility gas	5.3% (±3.0 points)	16.3%	36.3%	46.5%
Fuel oil, kerosene, etc.	67.7% (±5.9 points)	48.6%	36.3%	3.9%
Electricity	15.5% (±4.4 points)	22.0%	18.4%	41.3%
Bottled or tank gas (propane)	5.8% (±3.0 points)	8.7%	5.8%	4.9%
Wood	3.7% (±1.8 points)	2.5%	1.4%	1.4%
Solar energy	0.9% (±1.3 points)	0.4%	0.2%	0.3%
Coal or coke	0.0% (±0.9 points)	0.0%	0.0%	0.1%
Other fuel	0.4% (±0.4 points)	0.9%	1.0%	0.5%
No fuel used	0.8% (±1.2 points)	0.7%	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 Griswold, the share of homes heating with fuel oil is higher than in Southeastern Connecticut Planning Region (48.6%).

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

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

In Griswold, the share of homes heating with electricity is lower than in Southeastern Connecticut Planning Region (22.0%).

It is not measurably different from Connecticut (18.4%).

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

Homes heated by electricity in places near Griswold

Nearest places with a published estimate, compared with Griswold
Place	Distance	Homes heated by electricity	Compared with this place
Griswold	—	15.5% (±4.4 points)	—
Voluntown	4.7 mi	19.5% (±6.0 points)	Not measurably different
Lisbon	4.9 mi	4.8% (±3.2 points)	Lower
Plainfield Village	6.2 mi	21.5% (±11.5 points)	Not measurably different
Preston	6.4 mi	8.3% (±3.8 points)	Lower
Plainfield	7.6 mi	15.4% (±2.9 points)	Not measurably different
North Stonington	8.3 mi	4.7% (±2.7 points)	Lower
Baltic	8.5 mi	21.1% (±16.4 points)	Not measurably different
Canterbury	8.8 mi	6.6% (±3.4 points)	Lower

Nearby places with a measurably lower figure: Lisbon, CT (4.8%), Preston, CT (8.3%), North Stonington, CT (4.7%).

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

Homes heated by fuel oil across Southeastern Connecticut Planning Region, place by place

Rank	Place	Homes heated by fuel oil
1	Lisbon	73.0% (±8.0 points)
2	Bozrah	71.7% (±6.9 points)
3	North Stonington	69.8% (±8.7 points)
4	Franklin	69.6% (±5.4 points)
5	Sprague	69.5% (±9.0 points)
6	Griswold	67.7% (±5.9 points)
7	Ledyard	64.7% (±5.8 points)
8	Waterford	62.3% (±3.5 points)
9	Lebanon	61.3% (±8.4 points)
10	Colchester	60.0% (±5.2 points)
11	Preston	59.3% (±9.6 points)
12	Stonington	55.8% (±4.2 points)

Showing 12 of 19 places in Southeastern Connecticut 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 Griswold

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

Fuel oil or kerosene is the most common heating fuel in Griswold, used by 67.7% of occupied homes (2020–2024 American Community Survey).

How many homes in Griswold heat with oil?

67.7% (±5.9 points) of occupied homes in Griswold use fuel oil or kerosene as their main heating fuel.

How many homes in Griswold have electric heat?

15.5% (±4.4 points) of occupied homes in Griswold heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Griswold town, Southeastern Connecticut 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 Griswold town, Southeastern Connecticut Planning Region, Connecticut (county subdivision:33900, in state:09 county:180).

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.