How are homes heated in South Wilmington, IL?

Name: Heating fuel in South Wilmington, 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 South Wilmington, used by 88.1% (±7.3 points) of occupied homes (2020–2024 American Community Survey).

11.9% heat with electricity.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 88.1% (±7.3 points)
Electricity: 11.9%
Fuel oil, kerosene: 0.0%

Heating fuel in South Wilmington

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	South Wilmington	Grundy County	Illinois	United States
Utility gas	88.1% (±7.3 points)	77.4%	75.3%	46.5%
Fuel oil, kerosene, etc.	0.0% (±13.0 points)	0.0%	0.1%	3.9%
Electricity	11.9% (±7.3 points)	13.8%	18.6%	41.3%
Bottled or tank gas (propane)	0.0% (±13.0 points)	7.6%	4.2%	4.9%
Wood	0.0% (±13.0 points)	0.2%	0.3%	1.4%
Solar energy	0.0% (±13.0 points)	0.0%	0.1%	0.3%
Coal or coke	0.0% (±13.0 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±13.0 points)	0.8%	0.5%	0.5%
No fuel used	0.0% (±13.0 points)	0.3%	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 South Wilmington, the share of homes heating with fuel oil is not measurably different from Grundy County (0.0%).

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

It is not measurably different from the national figure (3.9%).

In South Wilmington, the share of homes heating with electricity is not measurably different from Grundy County (13.8%).

It is not measurably different from Illinois (18.6%).

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

Homes heated by electricity in places near South Wilmington

Nearest places with a published estimate, compared with South Wilmington
Place	Distance	Homes heated by electricity	Compared with this place
South Wilmington	—	11.9% (±7.3 points)	—
East Brooklyn	0.7 mi	17.9% (±13.2 points)	Not measurably different
Greenfield Township	1.8 mi	11.5% (±5.8 points)	Not measurably different
Gardner	2.2 mi	27.5% (±7.1 points)	Higher
Garfield Township	3.1 mi	25.9% (±6.6 points)	Higher
Braceville	3.6 mi	3.5% (±2.4 points)	Lower
Essex	4.6 mi	3.7% (±2.9 points)	Lower
Braceville Township	4.8 mi	12.5% (±5.3 points)	Not measurably different
Godley	5.2 mi	2.0% (±3.5 points)	Lower

Nearby places with a measurably lower figure: Braceville, IL (3.5%), Essex, IL (3.7%), Godley, IL (2.0%).

Nearby places with a measurably higher figure: Gardner, IL (27.5%), Garfield Township, IL (25.9%).

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

Homes heated by fuel oil across Grundy County, place by place

Rank	Place	Homes heated by fuel oil
2 (tie)	East Brooklyn	0.0% (±60.2 points)
2 (tie)	Gardner	0.0% (±7.0 points)
2 (tie)	Kinsman	0.0% (±52.4 points)
2 (tie)	Mazon	0.0% (±7.0 points)
2 (tie)	Minooka	0.0% (±0.9 points)
2 (tie)	Morris	0.0% (±0.6 points)
2 (tie)	South Wilmington	0.0% (±13.0 points)
2 (tie)	Verona	0.0% (±24.2 points)
2 (tie)	Aux Sable Township	0.0% (±0.7 points)
2 (tie)	Braceville Township	0.0% (±1.6 points)
2 (tie)	Erienna Township	0.0% (±3.5 points)
2 (tie)	Felix Township	0.0% (±1.9 points)
2 (tie)	Garfield Township	0.0% (±6.5 points)

Showing 13 of 29 places in Grundy 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 South Wilmington

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

Utility gas is the most common heating fuel in South Wilmington, used by 88.1% of occupied homes (2020–2024 American Community Survey).

How many homes in South Wilmington heat with oil?

0.0% (±13.0 points) of occupied homes in South Wilmington use fuel oil or kerosene as their main heating fuel.

How many homes in South Wilmington have electric heat?

11.9% (±7.3 points) of occupied homes in South Wilmington heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — South Wilmington 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 South Wilmington village, Illinois (place:71370, 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.