How are homes heated in Black Diamond, WA?

Name: Heating fuel in Black Diamond, WA, 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 Black Diamond, used by 65.6% (±7.2 points) of occupied homes (2020–2024 American Community Survey).

30.7% heat with electricity.

0.0% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 65.6% (±7.2 points)
Electricity: 30.7%
Fuel oil, kerosene: 0.0%

Heating fuel in Black Diamond

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Black Diamond	King County	Washington	United States
Utility gas	65.6% (±7.2 points)	39.9%	33.0%	46.5%
Fuel oil, kerosene, etc.	0.0% (±1.7 points)	2.2%	1.3%	3.9%
Electricity	30.7% (±7.4 points)	54.5%	58.6%	41.3%
Bottled or tank gas (propane)	1.9% (±2.2 points)	1.4%	3.0%	4.9%
Wood	1.3% (±1.6 points)	0.6%	2.8%	1.4%
Solar energy	0.0% (±1.7 points)	0.2%	0.2%	0.3%
Coal or coke	0.0% (±1.7 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±1.7 points)	0.4%	0.4%	0.5%
No fuel used	0.5% (±0.9 points)	0.9%	0.6%	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 Black Diamond, the share of homes heating with fuel oil is lower than in King County (2.2%).

It is not measurably different from Washington (1.3%).

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

In Black Diamond, the share of homes heating with electricity is lower than in King County (54.5%).

It is also lower than in Washington (58.6%).

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

Homes heated by electricity in places near Black Diamond

Nearest places with a published estimate, compared with Black Diamond
Place	Distance	Homes heated by electricity	Compared with this place
Black Diamond	—	30.7% (±7.4 points)	—
Maple Valley	3.7 mi	38.5% (±4.2 points)	Not measurably different
Lake Morton-Berrydale	4.2 mi	46.1% (±5.7 points)	Higher
Lake Holm	5.3 mi	37.5% (±11.0 points)	Not measurably different
Covington	5.3 mi	36.4% (±4.3 points)	Not measurably different
Hobart	6.7 mi	45.8% (±7.0 points)	Higher
Shadow Lake	6.9 mi	40.1% (±12.6 points)	Not measurably different
Enumclaw	7.9 mi	43.6% (±5.6 points)	Higher
Auburn	9.0 mi	56.1% (±2.3 points)	Higher

Nearby places with a measurably higher figure: Lake Morton-Berrydale, WA (46.1%), Hobart, WA (45.8%), Enumclaw, WA (43.6%).

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

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

Rank	Place	Homes heated by fuel oil
40 (tie)	Redmond	0.4% (±0.3 points)
44 (tie)	Sammamish	0.3% (±0.2 points)
44 (tie)	Woodinville	0.3% (±0.4 points)
46	Cottage Lake	0.2% (±0.3 points)
47 (tie)	Algona	0.0% (±4.1 points)
47 (tie)	Ames Lake	0.0% (±8.1 points)
47 (tie)	Black Diamond	0.0% (±1.7 points)
47 (tie)	Duvall	0.0% (±1.4 points)
47 (tie)	Enumclaw	0.0% (±0.8 points)
47 (tie)	Fall City	0.0% (±5.7 points)
47 (tie)	Lake Marcel-Stillwater	0.0% (±8.0 points)
47 (tie)	Maple Valley	0.0% (±0.4 points)
47 (tie)	Pacific	0.0% (±1.7 points)

Showing 13 of 59 places in King 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 Black Diamond

What is the most common way to heat a home in Black Diamond?

Utility gas is the most common heating fuel in Black Diamond, used by 65.6% of occupied homes (2020–2024 American Community Survey).

How many homes in Black Diamond heat with oil?

0.0% (±1.7 points) of occupied homes in Black Diamond use fuel oil or kerosene as their main heating fuel.

How many homes in Black Diamond have electric heat?

30.7% (±7.4 points) of occupied homes in Black Diamond heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Black Diamond city, Washington

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 Black Diamond city, Washington (place:06330, in state:53).

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.