How are homes heated in Cudjoe Key, FL?

Name: Heating fuel in Cudjoe Key, 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 Cudjoe Key, used by 82.8% (±7.4 points) of occupied homes (2020–2024 American Community Survey).

3.5% heat with utility gas.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 3.5% (±2.4 points)
Electricity: 82.8%
Fuel oil, kerosene: 0.0%

Heating fuel in Cudjoe Key

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Cudjoe Key	Monroe County	Florida	United States
Utility gas	3.5% (±2.4 points)	1.4%	5.4%	46.5%
Fuel oil, kerosene, etc.	0.0% (±4.8 points)	0.1%	0.1%	3.9%
Electricity	82.8% (±7.4 points)	86.4%	90.4%	41.3%
Bottled or tank gas (propane)	10.3% (±6.9 points)	1.9%	0.9%	4.9%
Wood	0.0% (±4.8 points)	0.1%	0.1%	1.4%
Solar energy	0.0% (±4.8 points)	0.3%	0.5%	0.3%
Coal or coke	0.0% (±4.8 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±4.8 points)	0.0%	0.1%	0.5%
No fuel used	3.4% (±2.6 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 Cudjoe Key, 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 not measurably different from the national figure (3.9%).

In Cudjoe Key, 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 Cudjoe Key

Nearest places with a published estimate, compared with Cudjoe Key
Place	Distance	Homes heated by electricity	Compared with this place
Cudjoe Key	—	82.8% (±7.4 points)	—
Big Pine Key	8.6 mi	89.5% (±4.1 points)	Not measurably different
Big Coppitt Key	12 mi	85.1% (±7.7 points)	Not measurably different
Stock Island	17 mi	94.5% (±3.8 points)	Higher
Key West	19 mi	83.1% (±3.2 points)	Not measurably different
Marathon	30 mi	87.8% (±3.1 points)	Not measurably different
Key Colony Beach	30 mi	100.0% (±16.9 points)	Not measurably different
Layton	44 mi	100.0% (±49.9 points)	Not measurably different
Islamorada	64 mi	90.9% (±4.0 points)	Not measurably different

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)
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)

Showing 11 of 12 places in Monroe County, ranked from highest to lowest.

Cudjoe Key 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 Cudjoe Key

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

Electricity is the most common heating fuel in Cudjoe Key, used by 82.8% of occupied homes (2020–2024 American Community Survey).

How many homes in Cudjoe Key heat with oil?

0.0% (±4.8 points) of occupied homes in Cudjoe Key use fuel oil or kerosene as their main heating fuel.

How many homes in Cudjoe Key have electric heat?

82.8% (±7.4 points) of occupied homes in Cudjoe Key heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Cudjoe Key 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 Cudjoe Key CDP, Florida (place:15862, 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.