Illinois 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
- $1.716
- High
- $1.929
- Jan 22
- Low
- $1.600
- Oct 1
- Against 2017
- Up +$0.036 (+2.1%)
- change in average
In 2018, EIA published 27 residential propane prices for Illinois. They averaged $1.716 a gallon, from a low of $1.600 on October 1, 2018 to a high of $1.929 on January 22, 2018.
The average was 2.1% above 2017’s $1.680.
EIA surveys only during the heating season in most years, so there are no Illinois 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 $1.765Jan 8 $1.811Jan 15 $1.845Jan 22 $1.929Jan 29 $1.916 | $1.853 |
| February | Feb 5 $1.894Feb 12 $1.854Feb 19 $1.842Feb 26 $1.814 | $1.851 |
| March | Mar 5 $1.773Mar 12 $1.713Mar 19 $1.702Mar 26 $1.685 | $1.718 |
| October | Oct 1 $1.600Oct 8 $1.606Oct 15 $1.610Oct 22 $1.627Oct 29 $1.621 | $1.613 |
| November | Nov 5 $1.624Nov 12 $1.616Nov 19 $1.618Nov 26 $1.633 | $1.623 |
| December | Dec 3 $1.635Dec 10 $1.650Dec 17 $1.654Dec 24 $1.653Dec 31 $1.650 | $1.648 |
Source: U.S. Energy Information Administration, weekly propane residential price table. Prices exclude taxes.
Propane — weekly Illinois, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.