Janesville Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $2.82 | $3.34 | $3.86 | $3.49 | $2.09 |
| Month Ago Avg. | $2.82 | $3.34 | $3.86 | $3.49 | $2.09 |
Highest Recorded Average Gas Price In Janesville Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $3.49 | 01/01/26 |
| Regular | $2.82 | 01/01/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Janesville
CITGO in Janesville (1620 W US-14)
1620 W US-14, Janesville, Wisconsin,
$3.17
May 19, 2026
0¢ Cashback
Mobil in Janesville (1215 Milton Ave)
1215 Milton Ave, Janesville, Wisconsin,
$3.19
May 19, 2026
0¢ Cashback
Mobil in Janesville (1009 N Washington St)
1009 N Washington St, Janesville, Wisconsin,
$3.19
May 19, 2026
0¢ Cashback
Mobil in Janesville (3222 US-14 E)
3222 US-14 E, Janesville, Wisconsin,
$3.19
May 19, 2026
0¢ Cashback
BP in Janesville (3961 MILTON AVE)
3961 MILTON AVE, Janesville, Wisconsin,
$3.19
May 19, 2026
0¢ Cashback
CITGO in Janesville (2615 Milton Ave)
2615 Milton Ave, Janesville, Wisconsin,
$3.19
May 19, 2026
0¢ Cashback
Woodman's in Janesville (2819 N Lexington Dr)
2819 N Lexington Dr, Janesville, Wisconsin,
$3.19
May 19, 2026
0¢ Cashback
Exxon in Janesville (3420 Milton Ave )
3420 Milton Ave , Janesville, Wisconsin,
$3.29
May 19, 2026
0¢ Cashback
CITGO in Janesville (404 N Parker Dr)
404 N Parker Dr, Janesville, Wisconsin,
$3.29
May 19, 2026
0¢ Cashback
Kwik Trip in Janesville (1919 Humes Rd)
1919 Humes Rd, Janesville, Wisconsin,
$3.30
May 19, 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.