How gas prices have changed in Decatur, Illinois in the last week
Written by:
April 13, 2026
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How gas prices have changed in Decatur, Illinois in the last week
compiled statistics on gas prices in Decatur, IL metro area using data from . Gas prices are current as of April 13.
Decatur, Illinois by the numbers
- Gas current price: $4.17
--- Illinois average: $4.38
- Week change: -$0.07 (-1.7%)
- Year change: +$0.85 (+25.8%)
- Historical expensive gas price: $5.07 (6/23/22)
- Diesel current price: $5.39
- Week change: +$0.15 (+2.8%)
- Year change: +$1.92 (+55.5%)
- Historical expensive diesel price: $5.58 (6/24/22)
Metros with the least expensive gas
#1. Lubbock, TX: $3.24
#2. Joplin, MO: $3.37
#3. Lawton, OK: $3.38
Read on to see which metros have the most expensive gas prices.
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1 / 5
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#5. San Luis Obispo-Atascadero-Paso Robles, CA
- Regular gas price: $6.00
2 / 5
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#4. San Francisco, CA
- Regular gas price: $6.02
3 / 5
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#3. Napa, CA
- Regular gas price: $6.07
4 / 5
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#2. San Rafael, CA
- Regular gas price: $6.07
5 / 5
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#1. Santa Rosa, CA
- Regular gas price: $6.08
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