How are homes heated in Mill Plain, CT?

Name: Heating fuel in Mill Plain, CT, 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 Mill Plain, used by 82.0% (±9.7 points) of occupied homes (2020–2024 American Community Survey).

0.7% heat with electricity.

17.2% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 82.0% (±9.7 points)
Electricity: 0.7%
Fuel oil, kerosene: 17.2%

Heating fuel in Mill Plain

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Mill Plain	Greater Bridgeport Planning Region	Connecticut	United States
Utility gas	82.0% (±9.7 points)	57.4%	36.3%	46.5%
Fuel oil, kerosene, etc.	17.2% (±9.5 points)	23.0%	36.3%	3.9%
Electricity	0.7% (±1.8 points)	13.7%	18.4%	41.3%
Bottled or tank gas (propane)	0.0% (±6.0 points)	4.0%	5.8%	4.9%
Wood	0.0% (±6.0 points)	0.2%	1.4%	1.4%
Solar energy	0.0% (±6.0 points)	0.4%	0.2%	0.3%
Coal or coke	0.0% (±6.0 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±6.0 points)	0.8%	1.0%	0.5%
No fuel used	0.0% (±6.0 points)	0.6%	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 Mill Plain, the share of homes heating with fuel oil is not measurably different from Greater Bridgeport Planning Region (23.0%).

It is also lower than in Connecticut (36.3%).

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

In Mill Plain, the share of homes heating with electricity is lower than in Greater Bridgeport Planning Region (13.7%).

It is also lower than in Connecticut (18.4%).

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

Homes heated by electricity in places near Mill Plain

Nearest places with a published estimate, compared with Mill Plain
Place	Distance	Homes heated by electricity	Compared with this place
Mill Plain	—	0.7% (±1.8 points)	—
Fairfield University	0.7 mi	0.0% (±100.0 points)	Not measurably different
Southport	1.7 mi	4.9% (±5.0 points)	Not measurably different
Staples	3.0 mi	8.8% (±4.3 points)	Higher
Greens Farms	3.5 mi	8.0% (±5.5 points)	Higher
Coleytown	4.2 mi	1.4% (±1.6 points)	Not measurably different
Bridgeport	4.4 mi	20.5% (±1.6 points)	Higher
Westport	4.6 mi	9.6% (±1.9 points)	Higher
Westport Village	4.8 mi	13.6% (±5.8 points)	Higher

Nearby places with a measurably higher figure: Staples, CT (8.8%), Greens Farms, CT (8.0%), Bridgeport, CT (20.5%).

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

Homes heated by fuel oil across Greater Bridgeport Planning Region, place by place

Rank	Place	Homes heated by fuel oil
2	Stepney	51.9% (±10.8 points)
3	Trumbull Center	44.0% (±5.6 points)
4	Daniels Farm	38.5% (±7.7 points)
5	Long Hill (Greater Bridgeport Planning Region)	36.6% (±8.7 points)
6	Stratford Downtown	33.6% (±12.9 points)
7	Tashua	24.5% (±7.6 points)
8	Mill Plain	17.2% (±9.5 points)
9	Oronoque	12.8% (±7.7 points)
10	Lordship	12.5% (±4.6 points)
11	Southport	2.4% (±3.2 points)
12	Fairfield University	0.0% (±100.0 points)

Showing 11 of 12 places in Greater Bridgeport Planning Region, ranked from highest to lowest.

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

It lies inside Fairfield, 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 Mill Plain

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

Utility gas is the most common heating fuel in Mill Plain, used by 82.0% of occupied homes (2020–2024 American Community Survey).

How many homes in Mill Plain heat with oil?

17.2% (±9.5 points) of occupied homes in Mill Plain use fuel oil or kerosene as their main heating fuel.

How many homes in Mill Plain have electric heat?

0.7% (±1.8 points) of occupied homes in Mill Plain heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Mill Plain CDP, Connecticut

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 Mill Plain CDP, Connecticut (place:47990, in state:09).

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.