How are homes heated in Guilford, CT?

Name: Heating fuel in Guilford, 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 Guilford, used by 57.0% (±4.0 points) of occupied homes (2020–2024 American Community Survey).

14.2% heat with utility gas.

15.1% heat with electricity.

Figures last updated on November 12, 2026.

Utility gas: 14.2% (±2.7 points)
Electricity: 15.1%
Fuel oil, kerosene: 57.0%

Heating fuel in Guilford

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Guilford	South Central Connecticut Planning Region	Connecticut	United States
Utility gas	14.2% (±2.7 points)	46.1%	36.3%	46.5%
Fuel oil, kerosene, etc.	57.0% (±4.0 points)	29.8%	36.3%	3.9%
Electricity	15.1% (±3.8 points)	18.4%	18.4%	41.3%
Bottled or tank gas (propane)	10.4% (±2.2 points)	3.7%	5.8%	4.9%
Wood	1.3% (±0.8 points)	0.5%	1.4%	1.4%
Solar energy	0.4% (±0.3 points)	0.2%	0.2%	0.3%
Coal or coke	0.0% (±0.5 points)	0.0%	0.0%	0.1%
Other fuel	1.1% (±0.7 points)	0.7%	1.0%	0.5%
No fuel used	0.6% (±0.6 points)	0.6%	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 Guilford, the share of homes heating with fuel oil is higher than in South Central Connecticut Planning Region (29.8%).

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

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

In Guilford, the share of homes heating with electricity is not measurably different from South Central Connecticut Planning Region (18.4%).

It is not measurably different from Connecticut (18.4%).

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

Homes heated by electricity in places near Guilford

Nearest places with a published estimate, compared with Guilford
Place	Distance	Homes heated by electricity	Compared with this place
Guilford	—	15.1% (±3.8 points)	—
Madison	4.2 mi	15.3% (±3.3 points)	Not measurably different
North Branford	4.3 mi	10.3% (±4.3 points)	Not measurably different
Northford	5.6 mi	10.6% (±7.2 points)	Not measurably different
Branford	5.8 mi	15.0% (±2.0 points)	Not measurably different
Madison Center	6.7 mi	24.2% (±8.6 points)	Not measurably different
Killingworth	7.1 mi	2.9% (±2.5 points)	Lower
Branford Center	7.1 mi	26.2% (±5.6 points)	Higher
North Haven	8.3 mi	8.9% (±2.2 points)	Lower

Nearby places with a measurably lower figure: Killingworth, CT (2.9%), North Haven, CT (8.9%).

Nearby places with a measurably higher figure: Branford Center, CT (26.2%).

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

Homes heated by fuel oil across South Central Connecticut Planning Region, place by place

Rank	Place	Homes heated by fuel oil
1	Bethany	77.1% (±6.9 points)
2	Woodbridge	72.6% (±6.6 points)
3	Orange	68.5% (±3.9 points)
4	North Branford	62.1% (±6.0 points)
5	Guilford	57.0% (±4.0 points)
6	Madison	56.1% (±4.1 points)
7	North Haven	50.6% (±4.3 points)
8	Wallingford	42.4% (±2.5 points)
9	East Haven	34.3% (±3.7 points)
10	Meriden	31.7% (±2.5 points)
11	Hamden	30.4% (±2.1 points)

Showing 11 of 15 places in South Central Connecticut Planning Region, ranked from highest to lowest.

The figures for Guilford include the places inside it that have pages of their own: Guilford Center.

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 Guilford

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 Guilford, 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 Guilford beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

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

Browse rentals · Create a renter account

Questions about Guilford

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

Fuel oil or kerosene is the most common heating fuel in Guilford, used by 57.0% of occupied homes (2020–2024 American Community Survey).

How many homes in Guilford heat with oil?

57.0% (±4.0 points) of occupied homes in Guilford use fuel oil or kerosene as their main heating fuel.

How many homes in Guilford have electric heat?

15.1% (±3.8 points) of occupied homes in Guilford heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Guilford town, South Central 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 Guilford town, South Central Connecticut Planning Region, Connecticut (county subdivision:34950, in state:09 county:170).

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.