Idaho Propane Prices in 2018
27 EIA surveys, Jan 1, 2018 to Dec 31, 2018
Page last updated · What changed: Corrected a U.S. FAQ answer; added PADD labels, direct EIA links, methodology, survey dates and uncovered states.
- Average
- $2.468
- High
- $2.550
- Jan 15
- Low
- $2.295
- Oct 1
- Against 2017
- Down −$0.149 (−5.7%)
- change in average
In 2018, EIA published 27 residential propane prices for Idaho. They averaged $2.468 a gallon, from a low of $2.295 on October 1, 2018 to a high of $2.550 on January 15, 2018.
The average was 5.7% below 2017’s $2.617.
EIA surveys only during the heating season in most years, so there are no Idaho values for April, May, June, July, August and September.
Week by week
Every survey in 2018
| Month | Survey dates and prices | Month average |
|---|---|---|
| January | Jan 1 $2.530Jan 8 $2.539Jan 15 $2.550Jan 22 $2.549Jan 29 $2.547 | $2.543 |
| February | Feb 5 $2.527Feb 12 $2.505Feb 19 $2.511Feb 26 $2.508 | $2.513 |
| March | Mar 5 $2.511Mar 12 $2.480Mar 19 $2.469Mar 26 $2.469 | $2.482 |
| October | Oct 1 $2.295Oct 8 $2.322Oct 15 $2.352Oct 22 $2.390Oct 29 $2.386 | $2.349 |
| November | Nov 5 $2.402Nov 12 $2.428Nov 19 $2.433Nov 26 $2.437 | $2.425 |
| December | Dec 3 $2.474Dec 10 $2.507Dec 17 $2.507Dec 24 $2.502Dec 31 $2.504 | $2.499 |
Source: U.S. Energy Information Administration, weekly propane residential price table. Prices exclude taxes.
Propane — weekly Idaho, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.