Gas Prices in Idaho
The average price of a gallon of regular gasoline, how it’s moving, and how Idaho stacks up against the rest of the country.
Week of June 15, 2026 · estimated from regional trend
27.5¢ above
The U.S. average is $4.05. Idaho drivers pay more than the typical American.
Idaho is the 44th-cheapest place to buy regular gas of 51 states and D.C. — equivalently, the 8th-most-expensive.
Ranked on current-week prices (week of June 15, 2026). Cheapest: Texas ($3.43). Most expensive: Hawaii ($6.01).
Idaho gas prices over time
EIA publishes only a yearly average for Idaho, so this shows the annual history; the most recent point is the current regional estimate, matching the headline above. Values before 2000 are approximate. Toggle between the price at the pump and constant 2025 dollars.
View the data (56 points · annual)
| Date | Nominal | 2025 $ |
|---|---|---|
| 1970-01-01 * | $0.34 | $2.80 |
| 1971-01-01 * | $0.34 | $2.68 |
| 1972-01-01 * | $0.34 | $2.60 |
| 1973-01-01 * | $0.39 | $2.79 |
| 1974-01-01 * | $0.52 | $3.38 |
| 1975-01-01 * | $0.58 | $3.46 |
| 1976-01-01 * | $0.60 | $3.39 |
| 1977-01-01 * | $0.63 | $3.35 |
| 1978-01-01 * | $0.66 | $3.27 |
| 1979-01-01 * | $0.87 | $3.87 |
| 1980-01-01 * | $1.18 | $4.60 |
| 1981-01-01 * | $1.36 | $4.81 |
| 1982-01-01 * | $1.30 | $4.33 |
| 1983-01-01 * | $1.14 | $3.68 |
| 1984-01-01 * | $1.12 | $3.48 |
| 1985-01-01 * | $1.12 | $3.35 |
| 1986-01-01 * | $0.85 | $2.50 |
| 1987-01-01 * | $0.87 | $2.48 |
| 1988-01-01 * | $0.92 | $2.49 |
| 1989-01-01 * | $0.99 | $2.57 |
| 1990-01-01 * | $1.10 | $2.71 |
| 1991-01-01 * | $1.10 | $2.60 |
| 1992-01-01 * | $1.15 | $2.63 |
| 1993-01-01 * | $1.14 | $2.54 |
| 1994-01-01 * | $1.17 | $2.54 |
| 1995-01-01 * | $1.11 | $2.36 |
| 1996-01-01 * | $1.24 | $2.54 |
| 1997-01-01 * | $1.27 | $2.55 |
| 1998-01-01 * | $1.10 | $2.17 |
| 1999-01-01 * | $1.18 | $2.28 |
| 2000-01-01 | $1.53 | $2.87 |
| 2001-01-01 | $1.44 | $2.61 |
| 2002-01-01 | $1.35 | $2.41 |
| 2003-01-01 | $1.58 | $2.77 |
| 2004-01-01 | $1.85 | $3.15 |
| 2005-01-01 | $2.23 | $3.67 |
| 2006-01-01 | $2.50 | $4.00 |
| 2007-01-01 | $2.75 | $4.28 |
| 2008-01-01 | $3.21 | $4.80 |
| 2009-01-01 | $2.31 | $3.47 |
| 2010-01-01 | $2.85 | $4.21 |
| 2011-01-01 | $3.51 | $5.03 |
| 2012-01-01 | $3.60 | $5.05 |
| 2013-01-01 | $3.53 | $4.88 |
| 2014-01-01 | $3.44 | $4.68 |
| 2015-01-01 | $2.52 | $3.42 |
| 2016-01-01 | $2.25 | $3.01 |
| 2017-01-01 | $2.54 | $3.33 |
| 2018-01-01 | $2.91 | $3.73 |
| 2019-01-01 | $2.78 | $3.50 |
| 2020-01-01 | $2.39 | $2.97 |
| 2021-01-01 | $3.34 | $3.97 |
| 2022-01-01 | $4.16 | $4.58 |
| 2023-01-01 | $3.78 | $3.99 |
| 2024-01-01 | $3.35 | $3.44 |
| 2026-06-15 * | $4.33 | $4.44 |
Current average
EIA does not publish separate weekly grade or diesel prices for Idaho. The headline above is an estimate for the current week; EIA’s most recent published annual average for Idaho was $3.35 in 2024. For live grade-level pricing, see a weekly-reporting state such as California.
The highs and lows
Idaho vs. the nation and its neighbors
Latest comparable annual state averages for regular gasoline (2024, EIA SEDS) — a consistent all-51 basis, distinct from the current-week estimate above.
Idaho gas prices, answered
- What is the average price of gas in Idaho right now?
- As of the week of June 15, 2026 (estimated from regional trends), the average price of regular gasoline in Idaho is $4.33 per gallon, according to U.S. Energy Information Administration data.
- Is gas more expensive in Idaho than the national average?
- Idaho's average of $4.33 is 27.5¢ above the U.S. average of $4.05 per gallon for regular gasoline.
- What is the highest gas price ever recorded in Idaho?
- The highest average regular gasoline price recorded for Idaho in this series was $4.16 per gallon in 2022. The lowest was $0.34 in 1971.
- Are gas prices in Idaho going up or down?
- Over the latest week, the average price of regular gasoline in Idaho fell to $4.33 per gallon. Idaho currently ranks 44th-cheapest of 51 states and D.C. for regular gasoline.