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 | |
|---|---|---|
| Diesel | $3.79 | 01/01/26 |
| Regular | $3.46 | 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
May 29, 2026
0¢ Cashback
Pilot in Decatur (4030 E Boyd Rd)
4030 E Boyd Rd, Decatur, Illinois,
$3.53
May 29, 2026
0¢ Cashback
Thorntons in Decatur (1707 E Pershing Rd)
1707 E Pershing Rd, Decatur, Illinois,
$3.56
May 29, 2026
0¢ Cashback
Kroger in Decatur (1818 Airport Plaza)
1818 Airport Plaza, Decatur, Illinois,
$3.59
May 29, 2026
0¢ Cashback
Shell in Decatur (3603 E William Street Rd)
3603 E William Street Rd, Decatur, Illinois,
$3.65
May 29, 2026
0¢ Cashback
Thorntons in Decatur (612 E Mound Rd)
612 E Mound Rd, Decatur, Illinois,
$3.69
May 29, 2026
0¢ Cashback
Love's Travel Stop in Decatur (3925 County Fair Dr)
3925 County Fair Dr, Decatur, Illinois,
$3.69
May 29, 2026
0¢ Cashback
Marathon in Decatur (101 E Pershing Rd)
101 E Pershing Rd, Decatur, Illinois,
$3.69
May 29, 2026
0¢ Cashback
Huck's in Decatur (204 N 22nd St)
204 N 22nd St, Decatur, Illinois,
$3.69
May 29, 2026
0¢ Cashback
Kroger in Decatur (3070 N Water St)
3070 N Water St, Decatur, Illinois,
$3.69
May 29, 2026
0¢ Cashback
Find Cheap Gas Prices By State
Click on the state to view the State details
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.