Decatur Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.46 | $3.86 | $4.33 | $3.79 | $3.79 |
| Month Ago Avg. | $3.46 | $3.86 | $4.33 | $3.79 | $3.79 |
Highest Recorded Average Gas Price In Decatur Year to Date
| Price | Date | |
|---|---|---|
| Regular | $3.46 | 01/01/26 |
| Diesel | $3.79 | 01/01/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Decatur
Harvest Market in Decatur (1266 N IL-48)
1266 N IL-48, Decatur, Illinois,
$3.45
Jan 05, 2026
0¢ Cashback
Pilot in Decatur (4030 E Boyd Rd)
4030 E Boyd Rd, Decatur, Illinois,
$3.53
Jan 05, 2026
0¢ Cashback
Thorntons in Decatur (1707 E Pershing Rd)
1707 E Pershing Rd, Decatur, Illinois,
$3.56
Jan 05, 2026
0¢ Cashback
Kroger in Decatur (1818 Airport Plaza)
1818 Airport Plaza, Decatur, Illinois,
$3.59
Jan 05, 2026
0¢ Cashback
Shell in Decatur (3603 E William Street Rd)
3603 E William Street Rd, Decatur, Illinois,
$3.65
Jan 05, 2026
0¢ Cashback
Thorntons in Decatur (612 E Mound Rd)
612 E Mound Rd, Decatur, Illinois,
$3.69
Jan 05, 2026
0¢ Cashback
Marathon in Decatur (101 E Pershing Rd)
101 E Pershing Rd, Decatur, Illinois,
$3.69
Jan 05, 2026
0¢ Cashback
Huck's in Decatur (204 N 22nd St)
204 N 22nd St, Decatur, Illinois,
$3.69
Jan 05, 2026
0¢ Cashback
Kroger in Decatur (3070 N Water St)
3070 N Water St, Decatur, Illinois,
$3.69
Jan 05, 2026
0¢ Cashback
Love's Travel Stop in Decatur (3925 County Fair Dr)
3925 County Fair Dr, Decatur, Illinois,
$3.69
Jan 05, 2026
0¢ Cashback
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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.