The Weekly Gas Pain Index
Idaho Gas Pain Spotlight — Week of 2026-05-18
Idaho drivers paid $4.59/gal this week (+2.2% vs national). Ranked #9 of 50.
Idaho Gas Pain Spotlight
Week of 2026-05-18 · Source: EIA PADD regional average
Drivers in Idaho are paying $4.59/gal this week — ranked #9 of 50 states. That’s 2.2% above the national average of $4.49/gal.
What it costs to fill up
A 15-gallon tank at Idaho prices runs you $68.80. A 26-gallon truck tank costs $119.26.
Where Idaho sits
| Metric | Value |
|---|---|
| State avg | $4.59 |
| National avg | $4.49 |
| Difference | +2.2% |
| State rank | #9 of 50 |
| Data source | EIA PADD regional average |