How are homes heated in Old Mystic, CT?

Name: Heating fuel in Old Mystic, 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 Old Mystic, used by 65.6% (±9.0 points) of occupied homes (2020–2024 American Community Survey).

3.2% heat with utility gas.

22.2% heat with electricity.

Figures last updated on November 12, 2026.

Utility gas: 3.2% (±2.2 points)
Electricity: 22.2%
Fuel oil, kerosene: 65.6%

Heating fuel in Old Mystic

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Old Mystic	Southeastern Connecticut Planning Region	Connecticut	United States
Utility gas	3.2% (±2.2 points)	16.3%	36.3%	46.5%
Fuel oil, kerosene, etc.	65.6% (±9.0 points)	48.6%	36.3%	3.9%
Electricity	22.2% (±8.4 points)	22.0%	18.4%	41.3%
Bottled or tank gas (propane)	6.0% (±3.1 points)	8.7%	5.8%	4.9%
Wood	2.5% (±2.6 points)	2.5%	1.4%	1.4%
Solar energy	0.0% (±3.3 points)	0.4%	0.2%	0.3%
Coal or coke	0.0% (±3.3 points)	0.0%	0.0%	0.1%
Other fuel	0.6% (±1.0 points)	0.9%	1.0%	0.5%
No fuel used	0.0% (±3.3 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 Old Mystic, 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 Old Mystic, the share of homes heating with electricity is not measurably different from 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 Old Mystic

Nearest places with a published estimate, compared with Old Mystic
Place	Distance	Homes heated by electricity	Compared with this place
Old Mystic	—	22.2% (±8.4 points)	—
Mystic	2.5 mi	24.0% (±7.5 points)	Not measurably different
Noank	3.2 mi	14.1% (±6.7 points)	Not measurably different
Poquonock Bridge	3.5 mi	36.2% (±12.6 points)	Not measurably different
Ledyard	3.7 mi	20.7% (±4.6 points)	Not measurably different
Conning Towers-Nautilus Park	4.0 mi	32.3% (±7.5 points)	Not measurably different
Long Hill (Southeastern Connecticut Planning Region)	4.1 mi	50.7% (±8.3 points)	Higher
Stonington	4.1 mi	15.3% (±2.4 points)	Not measurably different
Gales Ferry	5.7 mi	1.1% (±1.9 points)	Lower

Nearby places with a measurably lower figure: Gales Ferry, CT (1.1%).

Nearby places with a measurably higher figure: Long Hill (Southeastern Connecticut Planning Region), CT (50.7%).

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	Gales Ferry	87.7% (±10.8 points)
2	South Windham	76.3% (±13.1 points)
3	Noank	72.8% (±8.5 points)
4	Old Mystic	65.6% (±9.0 points)
5	Baltic	61.1% (±14.3 points)
6	Niantic	59.2% (±9.7 points)
7	Oxoboxo River	53.8% (±10.5 points)
8	Pawcatuck	53.1% (±6.0 points)
9	Waterford (community)	51.9% (±7.7 points)
10	Poquonock Bridge	50.3% (±14.2 points)

Showing 10 of 15 places in Southeastern Connecticut Planning Region, ranked from highest to lowest.

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

It lies inside Groton, whose figures include it.

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 Old Mystic

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

Fuel oil or kerosene is the most common heating fuel in Old Mystic, used by 65.6% of occupied homes (2020–2024 American Community Survey).

How many homes in Old Mystic heat with oil?

65.6% (±9.0 points) of occupied homes in Old Mystic use fuel oil or kerosene as their main heating fuel.

How many homes in Old Mystic have electric heat?

22.2% (±8.4 points) of occupied homes in Old Mystic heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Old Mystic CDP, 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 Old Mystic CDP, Connecticut (place:57180, in state:09).

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.