How gas prices have changed in Iowa in the last week

Written by:
May 15, 2026
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How gas prices have changed in Iowa in the last week

Stacker compiled statistics on gas prices in Iowa using data from AAA. Gas prices are as of May 15.

Iowa by the numbers
- Gas current price: $4.33
- Week change: +$0.09 (+2.1%)
- Year change: +$1.38 (+46.6%)
- Historical expensive gas price: $4.76 (6/15/22)

- Diesel current price: $5.35
- Week change: -$0.05 (-0.9%)
- Year change: +$2.07 (+62.9%)
- Historical expensive diesel price: $5.44 (6/22/22)

Metros with most expensive gas in Iowa
#1. Ames: $4.51
#2. Des Moines: $4.47
#3. Dubuque: $4.42
#4. Waterloo-Cedar Falls: $4.41
#5. Cedar Rapids: $4.40
#6. Davenport-Moline-Rock Island (IA only): $4.29
#7. Iowa City: $4.29
#8. Council Bluffs: $4.18
#9. Sioux City (IA only): $4.12

States with the least expensive gas
#1. Texas: $4.00
#2. Mississippi: $4.00
#3. Louisiana: $4.01
#4. Georgia: $4.02
#5. Oklahoma: $4.02

Read on to see which states have the most expensive gas prices.

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#5. Alaska

- Regular gas price: $5.26
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#4. Oregon

- Regular gas price: $5.35
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#3. Hawaii

- Regular gas price: $5.65
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#2. Washington

- Regular gas price: $5.78
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#1. California

- Regular gas price: $6.14

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