Rock Falls Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.39 | $4.83 | $5.05 | $4.85 | - |
| Month Ago Avg. | $4.39 | $4.83 | $5.05 | $4.85 | - |
Highest Recorded Average Gas Price In Rock Falls Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.85 | 01/01/26 |
| Regular | $4.39 | 01/01/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Rock Falls
Shell in Rock Falls (220 1st Ave)
220 1st Ave, Rock Falls, Illinois,
$3.68
May 22, 2026
3¢ Cashback
Shell in Rock Falls (220 1st Ave)
220 1st AveRock FallsIllinois61071USA
Mobil in Rock Falls (1308 1st Avenue)
1308 1st Ave, Rock Falls, Illinois,
$3.81
May 22, 2026
0¢ Cashback
Mobil in Rock Falls (1308 1st Avenue)
1308 1st AveRock FallsIllinois61071USA
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.