How are homes heated in Knollwood, IL?

Name: Heating fuel in Knollwood, 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 Knollwood, used by 86.8% (±10.2 points) of occupied homes (2020–2024 American Community Survey).

13.2% heat with electricity.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 86.8% (±10.2 points)
Electricity: 13.2%
Fuel oil, kerosene: 0.0%

Heating fuel in Knollwood

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Knollwood	Lake County	Illinois	United States
Utility gas	86.8% (±10.2 points)	83.2%	75.3%	46.5%
Fuel oil, kerosene, etc.	0.0% (±6.1 points)	0.0%	0.1%	3.9%
Electricity	13.2% (±10.2 points)	14.7%	18.6%	41.3%
Bottled or tank gas (propane)	0.0% (±6.1 points)	1.3%	4.2%	4.9%
Wood	0.0% (±6.1 points)	0.1%	0.3%	1.4%
Solar energy	0.0% (±6.1 points)	0.1%	0.1%	0.3%
Coal or coke	0.0% (±6.1 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±6.1 points)	0.2%	0.5%	0.5%
No fuel used	0.0% (±6.1 points)	0.4%	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 Knollwood, the share of homes heating with fuel oil is not measurably different from Lake County (0.0%).

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

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

In Knollwood, the share of homes heating with electricity is not measurably different from Lake County (14.7%).

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 Knollwood

Nearest places with a published estimate, compared with Knollwood
Place	Distance	Homes heated by electricity	Compared with this place
Knollwood	—	13.2% (±10.2 points)	—
Shields Township	1.2 mi	22.3% (±3.8 points)	Not measurably different
Lake Bluff	1.4 mi	4.4% (±2.5 points)	Not measurably different
Green Oaks	1.9 mi	5.9% (±3.1 points)	Not measurably different
North Chicago	2.4 mi	25.4% (±4.0 points)	Higher
Libertyville Township	3.4 mi	13.9% (±2.2 points)	Not measurably different
Mettawa	3.6 mi	9.1% (±7.9 points)	Not measurably different
Lake Forest	3.6 mi	15.5% (±4.1 points)	Not measurably different
Libertyville	4.5 mi	13.1% (±2.3 points)	Not measurably different

Nearby places with a measurably higher figure: North Chicago, IL (25.4%).

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

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

Rank	Place	Homes heated by fuel oil
13 (tie)	Hainesville	0.0% (±3.0 points)
13 (tie)	Hawthorn Woods	0.0% (±1.2 points)
13 (tie)	Highland Park	0.0% (±0.3 points)
13 (tie)	Highwood	0.0% (±1.8 points)
13 (tie)	Indian Creek	0.0% (±13.4 points)
13 (tie)	Kildeer	0.0% (±2.5 points)
13 (tie)	Knollwood	0.0% (±6.1 points)
13 (tie)	Lake Bluff	0.0% (±1.7 points)
13 (tie)	Lake Forest	0.0% (±0.1 points)
13 (tie)	Lake Villa	0.0% (±1.2 points)
13 (tie)	Lake Zurich	0.0% (±0.5 points)
13 (tie)	Libertyville	0.0% (±0.5 points)
13 (tie)	Lincolnshire	0.0% (±1.2 points)

Showing 13 of 71 places in Lake County, ranked from highest to lowest.

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

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 Knollwood

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

Utility gas is the most common heating fuel in Knollwood, used by 86.8% of occupied homes (2020–2024 American Community Survey).

How many homes in Knollwood heat with oil?

0.0% (±6.1 points) of occupied homes in Knollwood use fuel oil or kerosene as their main heating fuel.

How many homes in Knollwood have electric heat?

13.2% (±10.2 points) of occupied homes in Knollwood heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Knollwood CDP, 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 Knollwood CDP, Illinois (place:40364, 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.