How are homes heated in Marathon, FL?

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

Electricity is the most common heating fuel in Marathon, used by 87.8% (±3.1 points) of occupied homes (2020–2024 American Community Survey).

2.4% heat with utility gas.

0.2% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 2.4% (±1.9 points)
Electricity: 87.8%
Fuel oil, kerosene: 0.2%

Heating fuel in Marathon

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Marathon	Monroe County	Florida	United States
Utility gas	2.4% (±1.9 points)	1.4%	5.4%	46.5%
Fuel oil, kerosene, etc.	0.2% (±0.3 points)	0.1%	0.1%	3.9%
Electricity	87.8% (±3.1 points)	86.4%	90.4%	41.3%
Bottled or tank gas (propane)	1.1% (±1.0 points)	1.9%	0.9%	4.9%
Wood	0.0% (±1.3 points)	0.1%	0.1%	1.4%
Solar energy	0.0% (±1.3 points)	0.3%	0.5%	0.3%
Coal or coke	0.0% (±1.3 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±1.3 points)	0.0%	0.1%	0.5%
No fuel used	8.5% (±2.5 points)	9.9%	2.4%	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 Marathon, the share of homes heating with fuel oil is not measurably different from Monroe County (0.1%).

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

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

In Marathon, the share of homes heating with electricity is not measurably different from Monroe County (86.4%).

It is not measurably different from Florida (90.4%).

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

Homes heated by electricity in places near Marathon

Nearest places with a published estimate, compared with Marathon
Place	Distance	Homes heated by electricity	Compared with this place
Marathon	—	87.8% (±3.1 points)	—
Key Colony Beach	0.7 mi	100.0% (±16.9 points)	Not measurably different
Layton	15 mi	100.0% (±49.9 points)	Not measurably different
Big Pine Key	21 mi	89.5% (±4.1 points)	Not measurably different
Cudjoe Key	30 mi	82.8% (±7.4 points)	Not measurably different
Islamorada	35 mi	90.9% (±4.0 points)	Not measurably different
Tavernier	39 mi	86.5% (±8.2 points)	Not measurably different
Big Coppitt Key	41 mi	85.1% (±7.7 points)	Not measurably different
Stock Island	46 mi	94.5% (±3.8 points)	Higher

Nearby places with a measurably higher figure: Stock Island, FL (94.5%).

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

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

Rank	Place	Homes heated by fuel oil
1	Key Largo	0.5% (±0.7 points)
2	Marathon	0.2% (±0.3 points)
3 (tie)	Big Coppitt Key	0.0% (±4.3 points)
3 (tie)	Big Pine Key	0.0% (±2.8 points)
3 (tie)	Cudjoe Key	0.0% (±4.8 points)
3 (tie)	Islamorada	0.0% (±1.6 points)
3 (tie)	Key Colony Beach	0.0% (±16.9 points)
3 (tie)	Key West	0.0% (±0.5 points)

Showing 8 of 12 places in Monroe 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.

What you can do on Seayora in Marathon

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 Marathon, 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 Marathon beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

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

Browse rentals · Create a renter account

Questions about Marathon

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

Electricity is the most common heating fuel in Marathon, used by 87.8% of occupied homes (2020–2024 American Community Survey).

How many homes in Marathon heat with oil?

0.2% (±0.3 points) of occupied homes in Marathon use fuel oil or kerosene as their main heating fuel.

How many homes in Marathon have electric heat?

87.8% (±3.1 points) of occupied homes in Marathon heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Marathon city, Florida

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 Marathon city, Florida (place:43000, in state:12).

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.