Costco Gas PriceNow

Costco gas prices in Iowa

Iowa average

Regular
$3.697
Premium
$4.499

Average across 4 stations, per gallon · updated July 22, 2026

Costco has 4 gas stations in Iowa — the cheapest regular today is $3.629/gal at Costco Davenport in Davenport. Iowa Costco regular prices have climbed about $0.445 per gallon over the past month, from $3.251 to $3.697. Premium is up $0.550 over the same stretch, now at $4.499.

Gas stations

4

Iowa

Avg regular

$3.697

per gallon, USD

Cheapest now

$3.629

Costco Davenport

30-day price trend

Regular$3.697Premium$4.499
3.504.004.50Jun 23Jun 30Jul 8Jul 15Jul 22$4.499$3.697
Average posted price across Costco stations in Iowa, past 30 days ($/gal).
View price history as a table
DateRegularPremium
July 22, 2026$3.697$4.499
July 21, 2026$3.682$4.474
July 20, 2026$3.664$4.454
July 19, 2026$3.664$4.424
July 18, 2026$3.629$4.424
July 17, 2026$3.587$4.327
July 16, 2026$3.499$4.301
July 15, 2026$3.489$4.289
July 14, 2026$3.424$4.274
July 13, 2026$3.399$4.259
July 12, 2026$3.351$4.184
July 11, 2026$3.306$4.127
July 10, 2026$3.306$4.091
July 9, 2026$3.306$4.091
July 8, 2026$3.294$4.054
July 7, 2026$3.341$4.084
July 6, 2026$3.324$4.099
July 5, 2026$3.354$4.136
July 4, 2026$3.354$4.089
July 3, 2026$3.319$4.004
July 2, 2026$3.281$3.972
July 1, 2026$3.214$3.924
June 30, 2026$3.184$3.899
June 29, 2026$3.179$3.889
June 28, 2026$3.196$3.889
June 27, 2026$3.207$3.899
June 26, 2026$3.227$3.926
June 25, 2026$3.234$3.952
June 24, 2026$3.227$3.949
June 23, 2026$3.251$3.949

All stations in Iowa

All 4 stations, sorted by regular price from lowest to highest. Prices in $/gal.

RankStationRegularPremium
1Costco DavenportDavenport$3.629$4.499
2Costco AnkenyAnkeny$3.649$4.399
3Costco West Des MoinesWest Des Moines$3.749$4.499
4Costco CoralvilleCoralville$3.759$4.599