How are homes heated in Norwalk, CT?

Name: Heating fuel in Norwalk, CT, 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 Norwalk, used by 37.8% (±2.2 points) of occupied homes (2020–2024 American Community Survey).

26.7% heat with electricity.

29.6% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 37.8% (±2.2 points)
Electricity: 26.7%
Fuel oil, kerosene: 29.6%

Heating fuel in Norwalk

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Norwalk	Western Connecticut Planning Region	Connecticut	United States
Utility gas	37.8% (±2.2 points)	31.4%	36.3%	46.5%
Fuel oil, kerosene, etc.	29.6% (±1.9 points)	36.0%	36.3%	3.9%
Electricity	26.7% (±2.1 points)	23.0%	18.4%	41.3%
Bottled or tank gas (propane)	5.0% (±0.9 points)	7.1%	5.8%	4.9%
Wood	0.2% (±0.2 points)	0.8%	1.4%	1.4%
Solar energy	0.1% (±0.1 points)	0.2%	0.2%	0.3%
Coal or coke	0.0% (±0.1 points)	0.0%	0.0%	0.1%
Other fuel	0.5% (±0.3 points)	1.0%	1.0%	0.5%
No fuel used	0.2% (±0.2 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 Norwalk, the share of homes heating with fuel oil is lower than in Western Connecticut Planning Region (36.0%).

It is also lower than in Connecticut (36.3%).

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

In Norwalk, 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 lower than the national figure (41.3%).

Homes heated by electricity in places near Norwalk

Nearest places with a published estimate, compared with Norwalk
Place	Distance	Homes heated by electricity	Compared with this place
Norwalk	—	26.7% (±2.1 points)	—
Darien Downtown	2.8 mi	34.5% (±11.2 points)	Not measurably different
Saugatuck	3.0 mi	12.6% (±5.2 points)	Lower
Tokeneke	3.5 mi	4.5% (±4.5 points)	Lower
Compo	4.1 mi	13.0% (±8.0 points)	Lower
Darien	4.2 mi	10.8% (±2.8 points)	Lower
Noroton Heights	4.2 mi	13.7% (±9.1 points)	Lower
Noroton	4.4 mi	8.7% (±4.5 points)	Lower
Westport	4.4 mi	9.6% (±1.9 points)	Lower

Nearby places with a measurably lower figure: Saugatuck, CT (12.6%), Tokeneke, CT (4.5%), Compo, CT (13.0%).

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
8 (tie)	New Fairfield	62.5% (±4.6 points)
10	Ridgefield	61.4% (±3.7 points)
11	New Milford	57.2% (±4.0 points)
12	Brookfield	56.7% (±4.6 points)
13	Westport	47.0% (±3.8 points)
14	Bethel	39.2% (±4.0 points)
15	Norwalk	29.6% (±1.9 points)
16	Danbury	26.4% (±2.0 points)
17	Stamford	18.4% (±1.3 points)
18	Greenwich	14.4% (±1.7 points)

Showing 10 of 18 places in Western Connecticut Planning Region, 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 Norwalk

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

Utility gas is the most common heating fuel in Norwalk, used by 37.8% of occupied homes (2020–2024 American Community Survey).

How many homes in Norwalk heat with oil?

29.6% (±1.9 points) of occupied homes in Norwalk use fuel oil or kerosene as their main heating fuel.

How many homes in Norwalk have electric heat?

26.7% (±2.1 points) of occupied homes in Norwalk heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Norwalk town, Western Connecticut Planning Region, 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 Norwalk town, Western Connecticut Planning Region, Connecticut (county subdivision:56060, in state:09 county:190).

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.