How gas prices have changed in Decatur, Illinois in the last week
Written by:
April 6, 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 6.
Decatur, Illinois by the numbers
- Gas current price: $4.24
--- Illinois average: $4.29
- Week change: +$0.29 (+7.4%)
- Year change: +$0.84 (+24.8%)
- Historical expensive gas price: $5.07 (6/23/22)
- Diesel current price: $5.25
- Week change: +$0.11 (+2.1%)
- Year change: +$1.74 (+49.5%)
- Historical expensive diesel price: $5.58 (6/24/22)
Metros with the least expensive gas
#1. Tulsa, OK: $3.22
#2. Lawton, OK: $3.23
#3. Oklahoma City, OK: $3.24
Read on to see which metros have the most expensive gas prices.
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Highest-paying jobs in Decatur, Illinois that require a bachelor's degree
1 / 5
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#5. San Luis Obispo-Atascadero-Paso Robles, CA
- Regular gas price: $6.05
2 / 5
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#4. Napa, CA
- Regular gas price: $6.07
3 / 5
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#3. San Francisco, CA
- Regular gas price: $6.08
4 / 5
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#2. Santa Rosa, CA
- Regular gas price: $6.11
5 / 5
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#1. San Rafael, CA
- Regular gas price: $6.12
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How gas prices have changed in Decatur, Illinois in the last week