Mercer County
Illinois
Mercer County Gas Prices - Find the Lowest Gas Prices in Mercer County, IL
Search for the lowest gasoline prices in Mercer County, IL. Find local Mercer County gas prices and Mercer County gas stations with the best prices to fill up at the pump today
National and Illinois Gas Price Averages
| National Avg. | IL Reg. Avg. | IL Plus Avg. | IL Prem. Avg. | IL Diesel Avg. |
|---|---|---|---|---|
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$3.187
05/25/2025
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05/25/2025
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05/25/2025
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05/25/2025
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05/25/2025
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Today's lowest gas prices in Illinois and around Mercer County
| Station | Regular | Plus | Premium | Diesel |
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In and Around Mercer County, IL