How are homes heated in Key Largo, FL?

Name: Heating fuel in Key Largo, 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 Largo, used by 88.0% (±3.6 points) of occupied homes (2020–2024 American Community Survey).

0.6% heat with utility gas.

0.5% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 0.6% (±0.7 points)
Electricity: 88.0%
Fuel oil, kerosene: 0.5%

Heating fuel in Key Largo

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Key Largo	Monroe County	Florida	United States
Utility gas	0.6% (±0.7 points)	1.4%	5.4%	46.5%
Fuel oil, kerosene, etc.	0.5% (±0.7 points)	0.1%	0.1%	3.9%
Electricity	88.0% (±3.6 points)	86.4%	90.4%	41.3%
Bottled or tank gas (propane)	1.3% (±1.0 points)	1.9%	0.9%	4.9%
Wood	0.0% (±1.0 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% (±1.0 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±1.0 points)	0.0%	0.1%	0.5%
No fuel used	9.4% (±3.4 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 Largo, 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 Largo, 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 Key Largo

Nearest places with a published estimate, compared with Key Largo
Place	Distance	Homes heated by electricity	Compared with this place
Key Largo	—	88.0% (±3.6 points)	—
Tavernier	8.6 mi	86.5% (±8.2 points)	Not measurably different
North Key Largo	11 mi	68.8% (±16.6 points)	Lower
Islamorada	13 mi	90.9% (±4.0 points)	Not measurably different
Florida City	22 mi	96.6% (±2.1 points)	Higher
Homestead	24 mi	94.0% (±1.2 points)	Higher
Homestead Base	26 mi	89.2% (±17.0 points)	Not measurably different
Leisure City	26 mi	93.7% (±2.3 points)	Higher
Naranja	27 mi	94.8% (±3.4 points)	Higher

Nearby places with a measurably lower figure: North Key Largo, FL (68.8%).

Nearby places with a measurably higher figure: Florida City, FL (96.6%), Homestead, FL (94.0%), Leisure City, FL (93.7%).

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)

Showing 7 of 12 places in Monroe County, ranked from highest to lowest.

Key Largo is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

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 Largo

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

Electricity is the most common heating fuel in Key Largo, used by 88.0% of occupied homes (2020–2024 American Community Survey).

How many homes in Key Largo heat with oil?

0.5% (±0.7 points) of occupied homes in Key Largo use fuel oil or kerosene as their main heating fuel.

How many homes in Key Largo have electric heat?

88.0% (±3.6 points) of occupied homes in Key Largo heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Key Largo CDP, 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 Largo CDP, Florida (place:36375, 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.