How are homes heated in Key West, FL?

Name: Heating fuel in Key West, 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 Key West, used by 83.1% (±3.2 points) of occupied homes (2020–2024 American Community Survey).

0.5% heat with utility gas.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 0.5% (±0.3 points)
Electricity: 83.1%
Fuel oil, kerosene: 0.0%

Heating fuel in Key West

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Key West	Monroe County	Florida	United States
Utility gas	0.5% (±0.3 points)	1.4%	5.4%	46.5%
Fuel oil, kerosene, etc.	0.0% (±0.5 points)	0.1%	0.1%	3.9%
Electricity	83.1% (±3.2 points)	86.4%	90.4%	41.3%
Bottled or tank gas (propane)	1.3% (±0.6 points)	1.9%	0.9%	4.9%
Wood	0.0% (±0.5 points)	0.1%	0.1%	1.4%
Solar energy	0.2% (±0.3 points)	0.3%	0.5%	0.3%
Coal or coke	0.0% (±0.5 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±0.5 points)	0.0%	0.1%	0.5%
No fuel used	14.8% (±3.1 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 Key West, 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 Key West, the share of homes heating with electricity is not measurably different from Monroe County (86.4%).

It is also lower than in Florida (90.4%).

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

Homes heated by electricity in places near Key West

Nearest places with a published estimate, compared with Key West
Place	Distance	Homes heated by electricity	Compared with this place
Key West	—	83.1% (±3.2 points)	—
Stock Island	2.2 mi	94.5% (±3.8 points)	Higher
Big Coppitt Key	7.8 mi	85.1% (±7.7 points)	Not measurably different
Cudjoe Key	19 mi	82.8% (±7.4 points)	Not measurably different
Big Pine Key	27 mi	89.5% (±4.1 points)	Higher
Marathon	49 mi	87.8% (±3.1 points)	Higher
Key Colony Beach	49 mi	100.0% (±16.9 points)	Not measurably different
Layton	63 mi	100.0% (±49.9 points)	Not measurably different
Islamorada	83 mi	90.9% (±4.0 points)	Higher

Nearby places with a measurably higher figure: Stock Island, FL (94.5%), Big Pine Key, FL (89.5%), Marathon, FL (87.8%).

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
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)
3 (tie)	Layton	0.0% (±49.9 points)
3 (tie)	North Key Largo	0.0% (±5.9 points)
3 (tie)	Stock Island	0.0% (±3.2 points)
3 (tie)	Tavernier	0.0% (±4.6 points)

Showing 11 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.

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Questions about Key West

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

Electricity is the most common heating fuel in Key West, used by 83.1% of occupied homes (2020–2024 American Community Survey).

How many homes in Key West heat with oil?

0.0% (±0.5 points) of occupied homes in Key West use fuel oil or kerosene as their main heating fuel.

How many homes in Key West have electric heat?

83.1% (±3.2 points) of occupied homes in Key West heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Key West 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 Key West city, Florida (place:36550, 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.