Gas Prices in Mason City, IA
Cheapest Regular
$3.729
Average: $3.729
Cheapest Premium
$4.729
Average: $4.729
Cheapest Diesel
$5.799
Average: $5.799
Stations
3
Regular here is $0.16 cheaper than the Iowa average.
All stations
| Station | Address | Regular | Premium | Diesel | E85 |
|---|---|---|---|---|---|
| Kwik Star | 1502 S Federal Ave | $3.729 | $4.729 | $5.799 | $2.879 |
| Kwik Star | 235 S Eisenhower Ave | $3.729 | $4.729 | $5.799 | $2.879 |
| Kwik Star | 1316 4th St Sw | $3.729 | $4.729 | $5.799 | $2.879 |
At a glance
- Regular costs from $3.729 (Kwik Star, 1502 S Federal Ave) to $3.729 (Kwik Star, 1316 4th St Sw) in Mason City today; the average across 3 stations is $3.729.
- Diesel averages $5.799, $2.07 more than Regular.
- Open 24 hours: 2 of 3 stations.
RegularMidgrade
Nearby cities
| City | Distance | Cheapest Regular | Difference |
|---|---|---|---|
| Clear Lake | 6.9 mi | $3.699 | −$0.03 |
Updated Nov 7, 2026, 08:21 AM EST