Illinois Propane Prices in 2021
26 EIA surveys, Jan 4, 2021 to Dec 27, 2021
Page last updated · What changed: Corrected a U.S. FAQ answer; added PADD labels, direct EIA links, methodology, survey dates and uncovered states.
- Average
- $2.010
- High
- $2.275
- Nov 1
- Low
- $1.525
- Jan 4
- Against 2020
- Up +$0.556 (+38.2%)
- change in average
In 2021, EIA published 26 residential propane prices for Illinois. They averaged $2.010 a gallon, from a low of $1.525 on January 4, 2021 to a high of $2.275 on November 1, 2021.
The average was 38.2% above 2020’s $1.454.
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 2021
| Month | Survey dates and prices | Month average |
|---|---|---|
| January | Jan 4 $1.525Jan 11 $1.590Jan 18 $1.717Jan 25 $1.716 | $1.637 |
| February | Feb 1 $1.722Feb 8 $1.760Feb 15 $1.889Feb 22 $2.164 | $1.884 |
| March | Mar 1 $2.087Mar 8 $2.005Mar 15 $1.897Mar 22 $1.854Mar 29 $1.814 | $1.931 |
| October | Oct 4 $2.122Oct 11 $2.172Oct 18 $2.175Oct 25 $2.181 | $2.163 |
| November | Nov 1 $2.275Nov 8 $2.233Nov 15 $2.237Nov 22 $2.234Nov 29 $2.219 | $2.240 |
| December | Dec 6 $2.192Dec 13 $2.164Dec 20 $2.159Dec 27 $2.159 | $2.169 |
Source: U.S. Energy Information Administration, weekly propane residential price table. Prices exclude taxes.
Propane — weekly Illinois, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.