⛽ Circle K Gas Prices in Illinois
Estimated today · Based on Illinois AAA avg · Source: AAA + historical Circle K savings data
Illinois Avg Today
—
per gallon · regular
Est. Circle K Price
—
~0–8¢ below state avg
⚠️ Circle K does not publish real-time prices. Estimated price uses today's Illinois AAA average minus Circle K's typical 0–8¢/gal savings. Actual prices vary by location.
Illinois Gas Tax Context
Illinois's state gas tax is approximately 46¢ per gallon — above the national average. This tax applies equally to all stations including Circle K, so the 0–8¢ membership discount is on top of the post-tax street price. In high-tax states like Illinois, the absolute price at the pump is higher, but the relative savings from a Circle K membership remain the same.
Circle K Gas in Illinois — FAQs
How much is gas at Circle K in Illinois today?
Based on today's Illinois average of current local prices, Circle K in Illinois is estimated at around $a few cents less per gallon. Circle K typically prices 0–8¢ per gallon below the state average.
Is Circle K gas cheaper than regular gas stations in Illinois?
Yes. Circle K gas in Illinois is typically 0–8¢ per gallon cheaper than branded stations. Illinois has relatively high state gas taxes (~46¢/gal), which affects all stations equally — the Circle K discount still applies on top of that base.
Do you need a membership for Circle K gas in Illinois?
No membership required. Circle K is open to all drivers in Illinois.
Why is gas more expensive in Illinois than the national average?
Illinois gas prices are currently near the national average of $—. State gas tax is approximately 46¢/gal.