Idaho Propane Price Per Gallon (Latest EIA: 30 March 2026)
As of the week ending 30 March 2026, the residential propane price in Idaho was $2.397 per gallon (EIA series W_EPLLPA_PRS_SID_DPG). The Idaho price is below the US national average of $2.674 by $0.28 per gallon. Across the 2025-2026 heating season, the Idaho residential figure moved from $2.362 to $2.397.
How Idaho compares
| Comparison | Reference price | Difference |
|---|---|---|
| Idaho vs US national average | $2.674 | $-0.28 (-10.4%) |
| Idaho vs 5-year US average | $2.580 | $-0.18 |
| Idaho season start (Oct 2025) | $2.362 | +$0.03 |
What drives the Idaho price
Idaho sits in PADD 4 (Rocky Mountain). As of the week ending 30 March 2026 its residential propane price was $2.397 per gallon, below the US national average of $2.674. Idaho is part of the Rocky Mountain region, a smaller and more isolated market served mainly by regional refineries and truck distribution, where prices tend to track below the national average.
Idaho propane price FAQ
What is the current propane price per gallon in Idaho?
As of the latest EIA Weekly Heating Oil and Propane Survey (week ending 30 March 2026), residential propane in Idaho averaged $2.397 per gallon (EIA series W_EPLLPA_PRS_SID_DPG). EIA surveys residential propane only from October through March, so this is the most recently published reading; the next weekly update is expected 7 October 2026.
Is propane cheaper in Idaho than the US average?
Idaho residential propane is below the US national average of $2.674 per gallon by $0.28 (-10.4%), based on the same EIA weekly survey for the week ending 30 March 2026.
How much has the Idaho propane price changed this heating season?
Across the 2025-2026 heating season, the Idaho residential price moved from $2.362 per gallon at the start of October 2025 to $2.397 for the week ending 30 March 2026, a change of +$0.03 per gallon.