How are homes heated in South Wilton, CT?

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

Electricity is the most common heating fuel in South Wilton, used by 38.5% (±12.6 points) of occupied homes (2020–2024 American Community Survey).

22.1% heat with utility gas.

36.8% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 22.1% (±9.9 points)
Electricity: 38.5%
Fuel oil, kerosene: 36.8%

Heating fuel in South Wilton

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	South Wilton	Western Connecticut Planning Region	Connecticut	United States
Utility gas	22.1% (±9.9 points)	31.4%	36.3%	46.5%
Fuel oil, kerosene, etc.	36.8% (±12.5 points)	36.0%	36.3%	3.9%
Electricity	38.5% (±12.6 points)	23.0%	18.4%	41.3%
Bottled or tank gas (propane)	2.7% (±2.4 points)	7.1%	5.8%	4.9%
Wood	0.0% (±6.9 points)	0.8%	1.4%	1.4%
Solar energy	0.0% (±6.9 points)	0.2%	0.2%	0.3%
Coal or coke	0.0% (±6.9 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±6.9 points)	1.0%	1.0%	0.5%
No fuel used	0.0% (±6.9 points)	0.4%	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 South Wilton, the share of homes heating with fuel oil is not measurably different from Western Connecticut Planning Region (36.0%).

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

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

In South Wilton, the share of homes heating with electricity is higher than in Western Connecticut Planning Region (23.0%).

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

It is not measurably different from the national figure (41.3%).

Homes heated by electricity in places near South Wilton

Nearest places with a published estimate, compared with South Wilton
Place	Distance	Homes heated by electricity	Compared with this place
South Wilton	—	38.5% (±12.6 points)	—
Wilton Center	1.4 mi	46.6% (±11.7 points)	Not measurably different
Poplar Plains	2.0 mi	4.6% (±7.3 points)	Lower
Old Hill	2.5 mi	12.5% (±9.4 points)	Lower
Westport Village	3.6 mi	13.6% (±5.8 points)	Lower
Coleytown	3.8 mi	1.4% (±1.6 points)	Lower
New Canaan (community)	4.4 mi	25.8% (±6.7 points)	Not measurably different
New Canaan	4.4 mi	12.1% (±3.1 points)	Lower
Weston	4.6 mi	3.4% (±1.6 points)	Lower

Nearby places with a measurably lower figure: Poplar Plains, CT (4.6%), Old Hill, CT (12.5%), Westport Village, CT (13.6%).

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

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

Rank	Place	Homes heated by fuel oil
15	Westport Village	52.3% (±7.8 points)
16	Saugatuck	52.1% (±10.6 points)
17	New Milford (community)	47.0% (±7.8 points)
18	New Canaan (community)	42.5% (±7.4 points)
19	Inglenook	40.8% (±23.5 points)
20	Staples	37.3% (±8.2 points)
21	South Wilton	36.8% (±12.5 points)
22	Greens Farms	35.1% (±9.6 points)
23	Compo	32.6% (±7.6 points)
24	Wilton Center	30.8% (±10.2 points)
25	Glenville	20.6% (±8.1 points)
26	Bethel (community)	20.1% (±5.0 points)
27	Cos Cob	17.1% (±5.8 points)

Showing 13 of 33 places in Western Connecticut Planning Region, ranked from highest to lowest.

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

It lies inside Wilton, 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 South Wilton

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

Electricity is the most common heating fuel in South Wilton, used by 38.5% of occupied homes (2020–2024 American Community Survey).

How many homes in South Wilton heat with oil?

36.8% (±12.5 points) of occupied homes in South Wilton use fuel oil or kerosene as their main heating fuel.

How many homes in South Wilton have electric heat?

38.5% (±12.6 points) of occupied homes in South Wilton heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — South Wilton 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 South Wilton CDP, Connecticut (place:71215, 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.