How are homes heated in Darien, CT?

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

Fuel oil or kerosene is the most common heating fuel in Darien, used by 63.8% (±4.2 points) of occupied homes (2020–2024 American Community Survey).

10.1% heat with utility gas.

10.8% heat with electricity.

Figures last updated on November 12, 2026.

Utility gas: 10.1% (±2.6 points)
Electricity: 10.8%
Fuel oil, kerosene: 63.8%

Heating fuel in Darien

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Darien	Western Connecticut Planning Region	Connecticut	United States
Utility gas	10.1% (±2.6 points)	31.4%	36.3%	46.5%
Fuel oil, kerosene, etc.	63.8% (±4.2 points)	36.0%	36.3%	3.9%
Electricity	10.8% (±2.8 points)	23.0%	18.4%	41.3%
Bottled or tank gas (propane)	14.3% (±2.8 points)	7.1%	5.8%	4.9%
Wood	0.0% (±0.6 points)	0.8%	1.4%	1.4%
Solar energy	0.0% (±0.6 points)	0.2%	0.2%	0.3%
Coal or coke	0.0% (±0.6 points)	0.0%	0.0%	0.1%
Other fuel	1.0% (±0.7 points)	1.0%	1.0%	0.5%
No fuel used	0.1% (±0.1 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 Darien, the share of homes heating with fuel oil is higher than in Western Connecticut Planning Region (36.0%).

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

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

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

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

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

Homes heated by electricity in places near Darien

Nearest places with a published estimate, compared with Darien
Place	Distance	Homes heated by electricity	Compared with this place
Darien	—	10.8% (±2.8 points)	—
Stamford	3.9 mi	33.4% (±1.7 points)	Higher
Norwalk	4.2 mi	26.7% (±2.1 points)	Higher
Old Greenwich	5.1 mi	14.9% (±5.1 points)	Not measurably different
Riverside	5.6 mi	11.1% (±3.8 points)	Not measurably different
Cos Cob	5.9 mi	6.6% (±3.3 points)	Not measurably different
New Canaan (community)	6.2 mi	25.8% (±6.7 points)	Higher
Saugatuck	7.1 mi	12.6% (±5.2 points)	Not measurably different
New Canaan	7.6 mi	12.1% (±3.1 points)	Not measurably different

Nearby places with a measurably higher figure: Stamford, CT (33.4%), Norwalk, CT (26.7%), New Canaan (community), CT (25.8%).

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
1	Bridgewater	74.0% (±5.7 points)
2	Wilton	72.5% (±3.5 points)
3	Weston	69.6% (±5.6 points)
4	Redding	68.5% (±5.9 points)
5	Sherman	65.6% (±11.4 points)
6	Darien	63.8% (±4.2 points)
7	Newtown	63.0% (±3.3 points)
8 (tie)	New Canaan	62.5% (±4.9 points)
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)

Showing 12 of 18 places in Western Connecticut Planning Region, ranked from highest to lowest.

The figures for Darien include the places inside it that have pages of their own: Darien Downtown, Noroton, Noroton Heights, Tokeneke.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

What you can do on Seayora in Darien

One account for renting, owning, managing and fixing homes, with these figures beside you.

Do repairs, renovations or maintenance?

Get found by owners and renters near Darien, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Own or manage a rental?

List it, sign the lease and collect rent online, with the figures for Darien beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Darien, save the ones you like and apply online.

Browse rentals · Create a renter account

Questions about Darien

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

Fuel oil or kerosene is the most common heating fuel in Darien, used by 63.8% of occupied homes (2020–2024 American Community Survey).

How many homes in Darien heat with oil?

63.8% (±4.2 points) of occupied homes in Darien use fuel oil or kerosene as their main heating fuel.

How many homes in Darien have electric heat?

10.8% (±2.8 points) of occupied homes in Darien heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Darien 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 Darien town, Western Connecticut Planning Region, Connecticut (county subdivision:18850, 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.