How are homes heated in Swansea, IL?

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

Utility gas is the most common heating fuel in Swansea, used by 68.0% (±5.3 points) of occupied homes (2020–2024 American Community Survey).

30.9% heat with electricity.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 68.0% (±5.3 points)
Electricity: 30.9%
Fuel oil, kerosene: 0.0%

Heating fuel in Swansea

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Swansea	St. Clair County	Illinois	United States
Utility gas	68.0% (±5.3 points)	60.6%	75.3%	46.5%
Fuel oil, kerosene, etc.	0.0% (±0.6 points)	0.2%	0.1%	3.9%
Electricity	30.9% (±5.3 points)	33.4%	18.6%	41.3%
Bottled or tank gas (propane)	0.8% (±0.9 points)	4.6%	4.2%	4.9%
Wood	0.0% (±0.6 points)	0.4%	0.3%	1.4%
Solar energy	0.0% (±0.6 points)	0.1%	0.1%	0.3%
Coal or coke	0.0% (±0.6 points)	0.0%	0.0%	0.1%
Other fuel	0.2% (±0.4 points)	0.2%	0.5%	0.5%
No fuel used	0.0% (±0.6 points)	0.5%	0.8%	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 Swansea, the share of homes heating with fuel oil is not measurably different from St. Clair County (0.2%).

It is not measurably different from Illinois (0.1%).

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

In Swansea, the share of homes heating with electricity is not measurably different from St. Clair County (33.4%).

It is also higher than in Illinois (18.6%).

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

Homes heated by electricity in places near Swansea

Nearest places with a published estimate, compared with Swansea
Place	Distance	Homes heated by electricity	Compared with this place
Swansea	—	30.9% (±5.3 points)	—
St. Clair Township	1.3 mi	38.1% (±3.4 points)	Higher
Belleville	2.5 mi	32.4% (±3.4 points)	Not measurably different
Fairview Heights	3.2 mi	38.6% (±4.8 points)	Higher
Shiloh	4.0 mi	44.5% (±7.0 points)	Higher
Caseyville Township	4.8 mi	35.9% (±3.3 points)	Not measurably different
O'Fallon	5.1 mi	40.4% (±3.2 points)	Higher
Caseyville	5.9 mi	20.2% (±6.3 points)	Lower
Stookey Township	6.0 mi	27.3% (±6.0 points)	Not measurably different

Nearby places with a measurably lower figure: Caseyville, IL (20.2%).

Nearby places with a measurably higher figure: St. Clair Township, IL (38.1%), Fairview Heights, IL (38.6%), Shiloh, IL (44.5%).

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

Homes heated by fuel oil across St. Clair County, place by place

Rank	Place	Homes heated by fuel oil
9 (tie)	St. Libory	0.0% (±13.6 points)
9 (tie)	Sauget	0.0% (±21.3 points)
9 (tie)	Scott AFB	0.0% (±2.8 points)
9 (tie)	Shiloh	0.0% (±0.6 points)
9 (tie)	Smithton	0.0% (±2.6 points)
9 (tie)	Summerfield	0.0% (±26.3 points)
9 (tie)	Swansea	0.0% (±0.6 points)
9 (tie)	Washington Park	0.0% (±7.6 points)
9 (tie)	Canteen Township	0.0% (±1.4 points)
9 (tie)	Caseyville Township	0.0% (±0.3 points)
9 (tie)	Engelmann Township	0.0% (±11.2 points)
9 (tie)	Fayetteville Township	0.0% (±5.6 points)
9 (tie)	Freeburg Township	0.0% (±1.9 points)

Showing 13 of 46 places in St. Clair County, 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 Swansea

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

Utility gas is the most common heating fuel in Swansea, used by 68.0% of occupied homes (2020–2024 American Community Survey).

How many homes in Swansea heat with oil?

0.0% (±0.6 points) of occupied homes in Swansea use fuel oil or kerosene as their main heating fuel.

How many homes in Swansea have electric heat?

30.9% (±5.3 points) of occupied homes in Swansea heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Swansea village, Illinois

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 Swansea village, Illinois (place:74119, in state:17).

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.