How are homes heated in Castle Rock, CO?

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

Utility gas is the most common heating fuel in Castle Rock, used by 76.3% (±2.2 points) of occupied homes (2020–2024 American Community Survey).

22.0% heat with electricity.

0.1% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 76.3% (±2.2 points)
Electricity: 22.0%
Fuel oil, kerosene: 0.1%

Heating fuel in Castle Rock

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Castle Rock	Douglas County	Colorado	United States
Utility gas	76.3% (±2.2 points)	73.4%	66.4%	46.5%
Fuel oil, kerosene, etc.	0.1% (±0.1 points)	0.0%	0.1%	3.9%
Electricity	22.0% (±2.2 points)	22.8%	25.6%	41.3%
Bottled or tank gas (propane)	0.7% (±0.5 points)	2.3%	4.9%	4.9%
Wood	0.0% (±0.2 points)	0.3%	1.4%	1.4%
Solar energy	0.7% (±0.4 points)	0.8%	0.5%	0.3%
Coal or coke	0.0% (±0.2 points)	0.0%	0.0%	0.1%
Other fuel	0.1% (±0.2 points)	0.2%	0.6%	0.5%
No fuel used	0.1% (±0.1 points)	0.2%	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 Castle Rock, the share of homes heating with fuel oil is not measurably different from Douglas County (0.0%).

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

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

In Castle Rock, the share of homes heating with electricity is not measurably different from Douglas County (22.8%).

It is also lower than in Colorado (25.6%).

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

Homes heated by electricity in places near Castle Rock

Nearest places with a published estimate, compared with Castle Rock
Place	Distance	Homes heated by electricity	Compared with this place
Castle Rock	—	22.0% (±2.2 points)	—
Castle Pines Village	5.1 mi	10.3% (±5.1 points)	Lower
Castle Pines	6.0 mi	22.0% (±4.8 points)	Not measurably different
The Pinery	7.4 mi	12.0% (±4.4 points)	Lower
Stepping Stone	9.7 mi	16.6% (±7.9 points)	Not measurably different
Parker	9.9 mi	23.6% (±2.6 points)	Not measurably different
Perry Park	10 mi	12.4% (±7.1 points)	Lower
Larkspur	10 mi	1.5% (±5.1 points)	Lower
Meridian Village	11 mi	23.8% (±9.3 points)	Not measurably different

Nearby places with a measurably lower figure: Castle Pines Village, CO (10.3%), The Pinery, CO (12.0%), Perry Park, CO (12.4%).

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

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

Rank	Place	Homes heated by fuel oil
1	Sterling Ranch	0.3% (±0.5 points)
2	Castle Rock	0.1% (±0.1 points)
3 (tie)	Castle Pines	0.0% (±0.8 points)
3 (tie)	Larkspur	0.0% (±42.1 points)
3 (tie)	Lone Tree	0.0% (±0.6 points)
3 (tie)	Parker	0.0% (±0.2 points)
3 (tie)	Acres Green	0.0% (±4.0 points)
3 (tie)	Castle Pines Village	0.0% (±2.5 points)

Showing 8 of 17 places in Douglas 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 Castle Rock

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

Utility gas is the most common heating fuel in Castle Rock, used by 76.3% of occupied homes (2020–2024 American Community Survey).

How many homes in Castle Rock heat with oil?

0.1% (±0.1 points) of occupied homes in Castle Rock use fuel oil or kerosene as their main heating fuel.

How many homes in Castle Rock have electric heat?

22.0% (±2.2 points) of occupied homes in Castle Rock heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Castle Rock town, Colorado

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 Castle Rock town, Colorado (place:12415, in state:08).

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.