De Smet Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.03 | $3.08 | - | $3.29 | - |
| Month Ago Avg. | $3.03 | $3.08 | - | $3.29 | - |
Highest Recorded Average Gas Price In De Smet Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.32 | 02/06/25 |
| Regular | $3.13 | 06/10/25 |
Top 10 Gas Stations & Cheap Fuel Prices in De Smet
The Main Stop in De Smet (102 E US-14)
102 E US-14, De Smet, South Dakota,
$2.89
Oct 23, 2025
0¢ Cashback
The Main Stop in De Smet (102 E US-14)
102 E US-14De SmetSouth Dakota57231USA
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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.