Propane Prices in Delaware
Delaware average residential propane price
$3.73 per gallon
Week of Oct 12, 2026 · EIA value $3.729
- Change vs last week
- ↑ $0.021 (+0.6%)
- Year ago
- $3.35
- Now up 11.2% from a year ago
Compared with other prices this week
- $1.09 above the U.S. average ($2.64)
- $0.15 above the Central Atlantic average ($3.58)
- Delaware ranks #7 of 38 states (1 = highest price).
Change vs last week: ↑ $0.021 (+0.6%)
Cost to fill a propane tank in Delaware
| Tank | Propane at 80% | Fuel cost |
|---|---|---|
| 100-gallon tank | 80 gal | $298.32 |
| 250-gallon tank | 200 gal | $745.80 |
| 500-gallon tank | 400 gal | $1,491.60 |
| 1000-gallon tank | 800 gal | $2,983.20 |
Fuel only at the EIA average price. Delivery fees, taxes and minimum deliveries are extra.
Delaware propane price trend
Weekly EIA averages since October 2025.
Heating cost estimate for a typical Delaware home
A typical Delaware home (2,000 sq ft, average insulation) would use about 543 gallons of propane over the winter, roughly $2,025 at this week's price. That is an estimate; change the inputs in the calculator.
Assumes 2,000 sq ft, average insulation, AFUE 0.8, and normal October–March weather (NOAA 1991–2020).
Propane vs other heating fuels in Delaware
| Fuel | Price used | Fuel needed | Est. winter cost |
|---|---|---|---|
| Heating oil | $6.305/gal | 346 gallons | $2,180 |
| Propane | $3.729/gal | 543 gallons | $2,025 |
| Natural gas | $2.27/therm | 497 therms | $1,130 |
| Electric baseboard | $0.180/kWh | 11,647 kWh | $2,092 |
| Cold-climate heat pump | $0.180/kWh | 3,532 kWh | $634 |
Same home, same weather, each fuel at its own efficiency. Gas and electric use 12-month average prices. Estimates only.
Delaware propane prices at a glance
Delaware ranks #7 of 38 states for propane price this week, at $3.73 per gallon.
See also heating oil prices in Delaware.
Prices come from EIA's weekly survey and do not include taxes or delivery fees. For a full explanation, read our methodology.
Nearby states
Propane prices in all states · Heating calculators
Frequently asked questions
What is the average propane price in Delaware today?
The average residential propane price in Delaware was $3.73 per gallon for the week of Oct 12, 2026, according to the U.S. Energy Information Administration (excluding taxes).
How much does it cost to fill a 500-gallon propane tank in Delaware?
A 500-gallon tank holds about 400 gallons at the standard 80% fill, which is about $1,491.60 at $3.73 per gallon, fuel only.
Is propane cheaper than heating oil in Delaware?
Compare cost per unit of heat, not per gallon: a gallon of heating oil has more energy than a gallon of propane. In our typical-home estimate for Delaware, propane costs about $2,025 per winter and heating oil about $2,180.