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 May 29.
Illinois by the numbers
- Gas current price: $4.83
- Week change: -$0.15 (-3.1%)
- Year change: +$1.43 (+42.2%)
- Historical expensive gas price: $5.56 (6/13/22)
- Diesel current price: $5.93
- Week change: -$0.13 (-2.2%)
- Year change: +$2.40 (+67.8%)
- Historical expensive diesel price: $6.14 (5/14/26)
Metros with most expensive gas in Illinois
#1. City of Chicago: $5.24
#2. Chicago Metro: $4.93
#3. Alexander County: $4.90
#4. Elgin: $4.86
#5. East Saint Louis: $4.83
#6. Carbondale-Marion: $4.81
#7. Lake County: $4.78
#8. Peoria-Pekin: $4.77
#9. Rockford: $4.77
#10. Quincy: $4.75
#11. Davenport-Moline-Rock Island (IL only): $4.75
#12. Kankakee-Bradley: $4.74
#13. Champaign-Urbana: $4.73
#14. Springfield: $4.69
#15. Bloomington-Normal: $4.67
#16. Danville: $4.66
#17. Decatur: $4.61
States with the least expensive gas
#1. Indiana: $3.77
#2. Texas: $3.88
#3. Oklahoma: $3.90
#4. Georgia: $3.90
#5. Louisiana: $3.91
Read on to see which states have the most expensive gas prices.
