How are homes heated in Willimantic, CT?

Name: Heating fuel in Willimantic, 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 Willimantic, used by 36.7% (±5.2 points) of occupied homes (2020–2024 American Community Survey).

27.5% heat with utility gas.

25.6% heat with electricity.

Figures last updated on November 12, 2026.

Utility gas: 27.5% (±5.1 points)
Electricity: 25.6%
Fuel oil, kerosene: 36.7%

Heating fuel in Willimantic

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Willimantic	Southeastern Connecticut Planning Region	Connecticut	United States
Utility gas	27.5% (±5.1 points)	16.3%	36.3%	46.5%
Fuel oil, kerosene, etc.	36.7% (±5.2 points)	48.6%	36.3%	3.9%
Electricity	25.6% (±4.2 points)	22.0%	18.4%	41.3%
Bottled or tank gas (propane)	6.4% (±2.9 points)	8.7%	5.8%	4.9%
Wood	0.9% (±0.9 points)	2.5%	1.4%	1.4%
Solar energy	0.0% (±0.6 points)	0.4%	0.2%	0.3%
Coal or coke	0.0% (±0.6 points)	0.0%	0.0%	0.1%
Other fuel	1.6% (±1.1 points)	0.9%	1.0%	0.5%
No fuel used	1.4% (±1.1 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 Willimantic, the share of homes heating with fuel oil is lower than in Southeastern Connecticut Planning Region (48.6%).

It is not measurably different from Connecticut (36.3%).

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

In Willimantic, the share of homes heating with electricity is not measurably different from Southeastern Connecticut Planning Region (22.0%).

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

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

Homes heated by electricity in places near Willimantic

Nearest places with a published estimate, compared with Willimantic
Place	Distance	Homes heated by electricity	Compared with this place
Willimantic	—	25.6% (±4.2 points)	—
South Windham	2.7 mi	1.4% (±2.5 points)	Lower
Columbia	5.1 mi	7.6% (±4.1 points)	Lower
Mansfield	5.1 mi	32.0% (±5.3 points)	Not measurably different
South Coventry	5.4 mi	26.1% (±14.9 points)	Not measurably different
Lebanon	6.0 mi	9.3% (±4.2 points)	Lower
Scotland	6.6 mi	7.5% (±4.3 points)	Lower
Chaplin	6.7 mi	14.2% (±4.9 points)	Lower
Storrs	6.7 mi	56.1% (±9.5 points)	Higher

Nearby places with a measurably lower figure: South Windham, CT (1.4%), Columbia, CT (7.6%), Lebanon, CT (9.3%).

Nearby places with a measurably higher figure: Storrs, CT (56.1%).

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
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)
11	Mystic	50.1% (±8.9 points)
12	Colchester (community)	49.0% (±7.7 points)
13	Willimantic	36.7% (±5.2 points)
14	Conning Towers-Nautilus Park	26.8% (±8.6 points)
15	Long Hill (Southeastern Connecticut Planning Region)	20.2% (±7.3 points)

Showing 9 of 15 places in Southeastern Connecticut Planning Region, ranked from highest to lowest.

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

It lies inside Windham, 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 Willimantic

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

Fuel oil or kerosene is the most common heating fuel in Willimantic, used by 36.7% of occupied homes (2020–2024 American Community Survey).

How many homes in Willimantic heat with oil?

36.7% (±5.2 points) of occupied homes in Willimantic use fuel oil or kerosene as their main heating fuel.

How many homes in Willimantic have electric heat?

25.6% (±4.2 points) of occupied homes in Willimantic heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Willimantic 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 Willimantic CDP, Connecticut (place:85810, 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.