How are homes heated in Ansonia, CT?

Name: Heating fuel in Ansonia, 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 Ansonia, used by 59.0% (±4.7 points) of occupied homes (2020–2024 American Community Survey).

13.8% heat with electricity.

22.3% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 59.0% (±4.7 points)
Electricity: 13.8%
Fuel oil, kerosene: 22.3%

Heating fuel in Ansonia

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Ansonia	Naugatuck Valley Planning Region	Connecticut	United States
Utility gas	59.0% (±4.7 points)	27.6%	36.3%	46.5%
Fuel oil, kerosene, etc.	22.3% (±3.8 points)	41.8%	36.3%	3.9%
Electricity	13.8% (±4.4 points)	21.4%	18.4%	41.3%
Bottled or tank gas (propane)	3.8% (±1.7 points)	6.5%	5.8%	4.9%
Wood	0.3% (±0.3 points)	1.0%	1.4%	1.4%
Solar energy	0.4% (±0.7 points)	0.3%	0.2%	0.3%
Coal or coke	0.0% (±0.6 points)	0.1%	0.0%	0.1%
Other fuel	0.2% (±0.3 points)	1.2%	1.0%	0.5%
No fuel used	0.2% (±0.3 points)	0.3%	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 Ansonia, the share of homes heating with fuel oil is lower than in Naugatuck Valley Planning Region (41.8%).

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

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

In Ansonia, the share of homes heating with electricity is lower than in Naugatuck Valley Planning Region (21.4%).

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 Ansonia

Nearest places with a published estimate, compared with Ansonia
Place	Distance	Homes heated by electricity	Compared with this place
Ansonia	—	13.8% (±4.4 points)	—
Derby	1.4 mi	11.2% (±2.7 points)	Not measurably different
Seymour	2.9 mi	12.7% (±4.0 points)	Not measurably different
Woodbridge	3.7 mi	6.2% (±3.7 points)	Lower
Shelton	4.5 mi	9.2% (±1.8 points)	Not measurably different
Orange	4.7 mi	3.7% (±1.9 points)	Lower
Orange (community)	4.7 mi	3.7% (±1.9 points)	Lower
East Village	6.2 mi	5.8% (±3.8 points)	Lower
Oronoque	6.2 mi	8.3% (±3.7 points)	Not measurably different

Nearby places with a measurably lower figure: Woodbridge, CT (6.2%), Orange, CT (3.7%), Orange (community), CT (3.7%).

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

Homes heated by fuel oil across Naugatuck Valley Planning Region, place by place

Rank	Place	Homes heated by fuel oil
13	Shelton	45.4% (±3.3 points)
14	Naugatuck	44.1% (±4.3 points)
15 (tie)	Bristol	40.1% (±2.3 points)
15 (tie)	Southbury	40.1% (±4.1 points)
17	Derby	27.9% (±5.4 points)
18	Waterbury	24.8% (±2.0 points)
19	Ansonia	22.3% (±3.8 points)

Showing 7 of 19 places in Naugatuck Valley Planning Region, 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 Ansonia

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

Utility gas is the most common heating fuel in Ansonia, used by 59.0% of occupied homes (2020–2024 American Community Survey).

How many homes in Ansonia heat with oil?

22.3% (±3.8 points) of occupied homes in Ansonia use fuel oil or kerosene as their main heating fuel.

How many homes in Ansonia have electric heat?

13.8% (±4.4 points) of occupied homes in Ansonia heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Ansonia town, Naugatuck Valley Planning Region, 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 Ansonia town, Naugatuck Valley Planning Region, Connecticut (county subdivision:01220, in state:09 county:140).

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.