Gas prices in Sioux City (IA only)
Gas prices in Sioux City (IA only)Daily metro average from AAA (2026-07-28), per gallon including taxes, for the Sioux City (IA only) area of Iowa.
Regular
$3.70
per gallon · €0.86/L
Midgrade
$4.04
per gallon · €0.94/L
Premium
$4.50
per gallon · €1.04/L
Diesel
$4.99
per gallon · €1.16/L
▼ 0.1% vs last week ($3.70)▲ 31.4% vs a year ago ($2.81)
Nearest Iowa metros on price
The metros immediately either side of Sioux City (IA only) in Iowa, so you can see whether paying $3.70 here is normal or not.
| Metro | Regular | vs Sioux City (IA only) |
|---|---|---|
| Waterloo-Cedar Falls | $3.68 | −$0.02 |
| Sioux City (IA only) | $3.70 | — |
| Des Moines | $3.73 | +$0.03 |
| Cedar Rapids | $3.74 | +$0.04 |
| Davenport-Moline-Rock Island (IA only) | $3.77 | +$0.07 |
| Iowa City | $3.80 | +$0.10 |
All Iowa gas prices →
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Frequently asked questions
How much is gas in Sioux City (IA only) right now?
Regular gasoline averages $3.70 per gallon across Sioux City (IA only) today (AAA metro average, 2026-07-28). Midgrade is $4.04, premium $4.50 and diesel $4.99.
Is gas cheaper in Sioux City (IA only) than the rest of Iowa?
A Iowa state comparison is unavailable today.
Where does Sioux City (IA only) rank in Iowa?
Sioux City (IA only) is the 2nd cheapest of 9 Iowa metros AAA tracks.
Are gas prices in Sioux City (IA only) higher than a year ago?
Yes — regular is 31.4% higher than this time last year ($2.81/gal then, $3.70 now).