Iowa Gas Prices
Average retail price · Source: AAA · Updated daily
Today's Average
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per gallon · regular unleaded
Iowa is dominated by Casey's General Store, a regional chain headquartered in Ankeny that operates more stations in Iowa than any other brand. The state's moderate tax and central Midwest location keep prices near the national average.
⛽ Gas Tax: 33¢/gallon
Ranked #29 most expensive nationally
Top Gas Station Chains in Iowa
Casey's General StoreHy-Vee GasKwik StarShellBP
Top Iowa Cities for Gas Prices
Iowa Gas Price FAQ
Is Casey's the cheapest gas in Iowa?
Casey's General Stores are pervasive in Iowa and often competitive on price, but Hy-Vee Gas (tied to grocery loyalty rewards) and Kwik Star/Kwik Trip are frequently cheaper. Casey's has a loyalty program that can improve their effective price significantly.
How does Iowa compare to neighboring Illinois for gas prices?
Iowa is substantially cheaper than Illinois — often 40-60¢ per gallon less in border areas due to Illinois' massive state and Cook County taxes. The Quad Cities (Davenport/Bettendorf) see significant cross-river traffic from Illinois residents filling up.
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Gas Prices by City in Iowa
Iowa Gas Price — Frequently Asked Questions
What is the average gas price in Iowa today?
Iowa gas prices are updated daily from AAA data. Check back for today's average.
Why are gas prices lower in Iowa than the national average?
Iowa benefits from favorable regional factors.
What is Iowa's gas tax?
Iowa's state gas tax is approximately 31¢ per gallon. This is a combined state excise tax and in some states includes local levies. The federal gas tax adds an additional 18.4¢/gal on top of state taxes.
When is the cheapest time to buy gas in Iowa?
Gas prices in Iowa — like across the US — tend to be lowest on Mondays and Tuesdays, when weekly demand is lowest. Prices typically rise Thursday through Saturday as weekend travel demand increases. Avoiding fill-ups on Fridays and Saturdays can save 3–8¢/gal on average. Iowa prices also tend to be lower in late fall and winter when summer-blend fuel requirements end.
Which cities in Iowa have the cheapest gas?
Gas prices vary by city within Iowa based on local competition, distance from fuel terminals, and population density. Use our city pages to compare prices across Iowa: cities farther from major metro areas and distribution hubs often have slightly higher prices due to transport costs, while high-competition suburban areas near major highways tend to be cheapest.