How are homes heated in Iselin, NJ?

Name: Heating fuel in Iselin, NJ, 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 Iselin, used by 86.5% (±3.7 points) of occupied homes (2020–2024 American Community Survey).

6.6% heat with electricity.

4.2% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 86.5% (±3.7 points)
Electricity: 6.6%
Fuel oil, kerosene: 4.2%

Heating fuel in Iselin

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Iselin	Middlesex County	New Jersey	United States
Utility gas	86.5% (±3.7 points)	78.9%	73.1%	46.5%
Fuel oil, kerosene, etc.	4.2% (±2.3 points)	3.1%	6.4%	3.9%
Electricity	6.6% (±3.0 points)	15.3%	16.2%	41.3%
Bottled or tank gas (propane)	1.1% (±0.9 points)	1.5%	2.4%	4.9%
Wood	0.0% (±0.7 points)	0.0%	0.3%	1.4%
Solar energy	0.1% (±0.3 points)	0.2%	0.2%	0.3%
Coal or coke	0.0% (±0.7 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±0.7 points)	0.3%	0.5%	0.5%
No fuel used	1.5% (±1.3 points)	0.7%	0.8%	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 Iselin, the share of homes heating with fuel oil is not measurably different from Middlesex County (3.1%).

It is not measurably different from New Jersey (6.4%).

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

In Iselin, the share of homes heating with electricity is lower than in Middlesex County (15.3%).

It is also lower than in New Jersey (16.2%).

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

Homes heated by electricity in places near Iselin

Nearest places with a published estimate, compared with Iselin
Place	Distance	Homes heated by electricity	Compared with this place
Iselin	—	6.6% (±3.0 points)	—
Menlo Park Terrace	1.2 mi	10.9% (±5.2 points)	Not measurably different
Colonia	1.4 mi	6.9% (±2.1 points)	Not measurably different
Woodbridge	2.0 mi	14.7% (±3.3 points)	Higher
Fords	2.4 mi	10.4% (±3.7 points)	Not measurably different
Avenel	2.5 mi	17.4% (±5.2 points)	Higher
Metuchen Borough	3.1 mi	10.4% (±2.3 points)	Higher
Hopelawn	3.1 mi	5.4% (±5.6 points)	Not measurably different
Rahway	3.2 mi	18.8% (±3.0 points)	Higher

Nearby places with a measurably higher figure: Woodbridge, NJ (14.7%), Avenel, NJ (17.4%), Metuchen Borough, NJ (10.4%).

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

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

Rank	Place	Homes heated by fuel oil
1	Hopelawn	15.2% (±13.7 points)
2	Menlo Park Terrace	6.4% (±4.4 points)
3 (tie)	Colonia	6.2% (±2.9 points)
3 (tie)	Woodbridge	6.2% (±3.0 points)
5	Fords	5.3% (±2.2 points)
6 (tie)	Iselin	4.2% (±2.3 points)
6 (tie)	Port Reading	4.2% (±3.3 points)
8	Sewaren	3.8% (±2.8 points)
9	Madison Park	3.6% (±5.6 points)
10	Laurence Harbor	3.5% (±3.4 points)
11 (tie)	Avenel	2.6% (±1.7 points)
11 (tie)	Old Bridge	2.6% (±1.3 points)

Showing 12 of 32 places in Middlesex County, ranked from highest to lowest.

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

It lies inside Woodbridge Township, whose figures include it.

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 Iselin

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

Utility gas is the most common heating fuel in Iselin, used by 86.5% of occupied homes (2020–2024 American Community Survey).

How many homes in Iselin heat with oil?

4.2% (±2.3 points) of occupied homes in Iselin use fuel oil or kerosene as their main heating fuel.

How many homes in Iselin have electric heat?

6.6% (±3.0 points) of occupied homes in Iselin heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Iselin CDP, New Jersey

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 Iselin CDP, New Jersey (place:34470, in state:34).

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.