How gas prices have changed in Illinois in the last week

Written by:
April 3, 2026
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How gas prices have changed in Illinois in the last week

compiled statistics on gas prices in Illinois using data from . Gas prices are as of April 3.

Illinois by the numbers
- Gas current price: $4.27
- Week change: +$0.04 (+1.0%)
- Year change: +$0.75 (+21.3%)
- Historical expensive gas price: $5.56 (6/13/22)

- Diesel current price: $5.18
- Week change: +$0.02 (+0.3%)
- Year change: +$1.57 (+43.6%)
- Historical expensive diesel price: $5.82 (6/25/22)

Metros with most expensive gas in Illinois
#1. City of Chicago: $4.66
#2. Chicago Metro: $4.41
#3. Alexander County: $4.30
#4. Carbondale-Marion: $4.29
#5. Lake County: $4.25
#6. Peoria-Pekin: $4.24
#7. Elgin: $4.24
#8. Quincy: $4.24
#9. East Saint Louis: $4.23
#10. Decatur: $4.22
#11. Springfield: $4.21
#12. Rockford: $4.21
#13. Bloomington-Normal: $4.19
#14. Kankakee-Bradley: $4.16
#15. Davenport-Moline-Rock Island (IL only): $4.04
#16. Champaign-Urbana: $3.98
#17. Danville: $3.96

States with the least expensive gas
#1. Oklahoma: $3.27
#2. Kansas: $3.34
#3. North Dakota: $3.44
#4. Nebraska: $3.46
#5. Iowa: $3.50

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

1 / 5
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#5. Nevada

- Regular gas price: $4.96
2 / 5
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#4. Oregon

- Regular gas price: $4.97
3 / 5
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#3. Washington

- Regular gas price: $5.37
4 / 5
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#2. Hawaii

- Regular gas price: $5.55
5 / 5
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#1. California

- Regular gas price: $5.89

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