Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in Iowa (2026)
$5.05/GAL
-0.54 vs US average ($5.59)Rank #11 of 50 statesPADD 2
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
Iowa state diesel tax32.5c/gal
Total tax56.9c/gal
Tax as % of price1127%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
CALCULATE YOUR FUEL COST IN IOWA
Use our trip calculator prefilled at $5.05/gal for Iowa.
Sources: EIA Weekly On-Highway Diesel Fuel Survey, AAA Gas Prices (gasprices.aaa.com), Federation of Tax Administrators diesel tax table. Updated April 29, 2026. State prices are representative averages; actual pump prices vary by retailer and location.