How are homes heated in Castle Hill, CA?

Name: Heating fuel in Castle Hill, CA, 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 Hill, used by 82.2% (±13.9 points) of occupied homes (2020–2024 American Community Survey).

12.7% heat with electricity.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 82.2% (±13.9 points)
Electricity: 12.7%
Fuel oil, kerosene: 0.0%

Heating fuel in Castle Hill

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Castle Hill	Contra Costa County	California	United States
Utility gas	82.2% (±13.9 points)	66.1%	61.0%	46.5%
Fuel oil, kerosene, etc.	0.0% (±11.3 points)	0.1%	0.2%	3.9%
Electricity	12.7% (±13.2 points)	28.3%	29.5%	41.3%
Bottled or tank gas (propane)	0.0% (±11.3 points)	1.9%	3.4%	4.9%
Wood	0.0% (±11.3 points)	0.4%	1.3%	1.4%
Solar energy	5.1% (±6.9 points)	1.7%	1.2%	0.3%
Coal or coke	0.0% (±11.3 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±11.3 points)	0.2%	0.3%	0.5%
No fuel used	0.0% (±11.3 points)	1.3%	3.0%	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 Hill, the share of homes heating with fuel oil is not measurably different from Contra Costa County (0.1%).

It is not measurably different from California (0.2%).

It is not measurably different from the national figure (3.9%).

In Castle Hill, the share of homes heating with electricity is lower than in Contra Costa County (28.3%).

It is also lower than in California (29.5%).

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

Homes heated by electricity in places near Castle Hill

Nearest places with a published estimate, compared with Castle Hill
Place	Distance	Homes heated by electricity	Compared with this place
Castle Hill	—	12.7% (±13.2 points)	—
Saranap	1.3 mi	30.5% (±9.0 points)	Higher
San Miguel (Contra Costa County)	1.4 mi	11.8% (±6.3 points)	Not measurably different
Walnut Creek	2.2 mi	37.7% (±2.0 points)	Higher
Acalanes Ridge	2.3 mi	14.6% (±12.4 points)	Not measurably different
Alamo	2.8 mi	18.6% (±4.4 points)	Not measurably different
Lafayette	3.5 mi	21.5% (±3.5 points)	Not measurably different
Contra Costa Centre	3.5 mi	53.5% (±7.6 points)	Higher
Moraga	4.1 mi	21.8% (±4.4 points)	Not measurably different

Nearby places with a measurably higher figure: Saranap, CA (30.5%), Walnut Creek, CA (37.7%), Contra Costa Centre, CA (53.5%).

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

Homes heated by fuel oil across Contra Costa County, place by place

Rank	Place	Homes heated by fuel oil
12 (tie)	Alamo	0.0% (±0.8 points)
12 (tie)	Bayview (Contra Costa County)	0.0% (±4.8 points)
12 (tie)	Bethel Island	0.0% (±4.8 points)
12 (tie)	Blackhawk	0.0% (±1.1 points)
12 (tie)	Byron	0.0% (±7.6 points)
12 (tie)	Camino Tassajara	0.0% (±2.5 points)
12 (tie)	Castle Hill	0.0% (±11.3 points)
12 (tie)	Contra Costa Centre	0.0% (±1.2 points)
12 (tie)	Crockett	0.0% (±2.7 points)
12 (tie)	Diablo	0.0% (±9.3 points)
12 (tie)	Discovery Bay	0.0% (±0.8 points)
12 (tie)	East Richmond Heights	0.0% (±3.2 points)
12 (tie)	Kensington	0.0% (±2.0 points)

Showing 13 of 48 places in Contra Costa County, ranked from highest to lowest.

Castle Hill 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 Castle Hill

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

Utility gas is the most common heating fuel in Castle Hill, used by 82.2% of occupied homes (2020–2024 American Community Survey).

How many homes in Castle Hill heat with oil?

0.0% (±11.3 points) of occupied homes in Castle Hill use fuel oil or kerosene as their main heating fuel.

How many homes in Castle Hill have electric heat?

12.7% (±13.2 points) of occupied homes in Castle Hill heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Castle Hill CDP, California

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 Hill CDP, California (place:11915, in state:06).

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.