State prices
Out of seasonIdaho propane prices
Latest surveyed price (Mar 30, 2026): $2.397/gal. EIA weekly survey (October-March).
Data through Mar 30, 2026 · source last checked Sep 2, 2026 · page revised Sep 2, 2026
Cite
- Residential
About this data
- Source
- EIA State Heating Oil and Propane Program survey
- Series
- Residential retail propane price
- Basis
- Residential, retail
- Geography
- Idaho propane prices
- Unit
- $/gal
- Calculation
- Weekly survey, Oct-Mar heating season
- Last observation
- Mar 30, 2026
- Update frequency
- Weekly, Oct-Mar
Now $2.397/gal, 10.8% below the 4-yr median. The EIA weekly price survey runs October through March; the latest reading is $2.397/gal from Mar 30, 2026. The survey resumes in October.
Idaho residential propane prices hit $2.397/gal on Mar 30, down 10.8% versus the 4-year median. Prices gained 0.5% week over week and 1.2% over the prior four weeks, running 7.7% below year-ago levels. The EIA survey is off-season until October.
| Period | Current | Prior | Change |
|---|---|---|---|
| vs 4-yr median | $2.397/gal | $2.688/gal | -10.8% |
| Year over year | $2.397/gal | $2.597/gal | -7.7% |
| vs 4 weeks ago | $2.397/gal | $2.368/gal | +1.2% |
| Week over week | $2.397/gal | $2.384/gal | +0.5% |
| Measure | Value |
|---|---|
| Homes heating with propane | 37,949 |
| Share of occupied homes | 5.3% |
| Occupied homes (all fuels) | 713,005 |
| National rank by propane share | #26 of 51 |
Previous weeks
An earlier week
$2.397/gal for Idaho residential propane on March 30, 2026, running 10.8% below the 4-year median. The EIA weekly survey pauses through September and returns in October.
An earlier week
Idaho propane closed the heating season at $2.397/gal, 11% below the four-year median and 7.7% below last year. The EIA survey pauses until October.
About Idaho propane prices
Idaho produces no propane of its own. Supply arrives by pipeline and rail from Rockies gas plants and from Canada, over distances that put real freight into the delivered price in the mountain counties. Demand is spread thin across farm country in the south and rural and resort towns in the north, on a heating season that runs long at elevation.
EIA builds this number by calling retail dealers in Idaho each week of the October to March heating season and averaging what they report, published Wednesday afternoon. The survey stops for the summer and picks back up in October. EIA publishes no wholesale price for Idaho, so the chart carries the residential line alone. The wholesale series runs at the regional level instead, on the Rocky Mountain price page. The Census Bureau's American Community Survey, on five-year estimates, puts propane as the main heating fuel in 5.3% of occupied Idaho homes, around the middle of the state rankings.
Idaho reports into EIA's Rocky Mountain district, so the wider read is Rocky Mountain propane prices and the Rockies and West Coast inventory behind them. The propane usage calculator will estimate your fill cost at this price: gallons per burner-hour from an appliance's rating, gallons a year, and how long a tank of a given size lasts between deliveries.
Common questions
What is the current propane price in Idaho?
EIA surveys residential propane prices only from October through March, so there is no current residential figure for Idaho right now. The Mont Belvieu spot price is the year-round wholesale benchmark, and the last surveyed residential price was $2.397/gal on Mar 30, 2026. The weekly survey restarts in October.
When is propane most expensive in Idaho?
Residential propane runs highest in the middle of the heating season, ordinarily January and February, and cheapest through the summer while Rocky Mountain stocks are building and nothing is drawing on them. The regional wrinkle is that Rocky Mountain demand is spread thin across mountain counties and high plains, where the heating season runs long and a delivery route can be a long one. Why propane prices rise in winter has the mechanics.
Why is there no wholesale propane price for Idaho?
EIA publishes no state-level wholesale (rack) price for Idaho, so the chart above carries the residential line alone. The wholesale series runs at the regional level instead, on the Rocky Mountain price page, and the Mont Belvieu spot price is the national wholesale benchmark. How propane is priced walks through the delivered-service stack that separates a rack gallon from a delivered one.