Illinois Gas Price Today
Current Illinois gas prices today and statewide retail fuel benchmarks
Illinois Gas Prices Today by Fuel Grade
Only fuel grades with verified statistical retail survey data are displayed.
Gas Prices Near Me Today in Illinois
Searching for gas prices near me today in Illinois? Local pump rates in your immediate area typically fluctuate by ±10¢ to 30¢ per gallon around our statewide average of $4.72/gal. Use this benchmark when evaluating pump prices at local retail stations:
Cost of Propane Gas Per Gallon in Illinois
In Illinois and the surrounding Midwest region, residential delivered propane currently averages $2.05/gal (compared to $4.72/gal for regular gasoline). Propane delivers ~91,500 BTU/gal (~73% of gasoline's 125,000 BTU/gal energy density), equating to an effective energy-parity price of $2.75 per Gasoline Gallon Equivalent (GGE).
Illinois Fuel Context
- Petroleum Region:
- PADD 2 (Midwest)
- State Fuel Excise Tax:
- 47¢ / gal
- Federal Fuel Tax:
- 18.4¢ / gal
- National Price Rank:
- #42 (1 = lowest, 51 = highest)
- U.S. National Average:
- $4.41
Neighboring States
Gas price comparison across adjacent state borders:
Illinois Gas Price Trend
Historical weekly regular gasoline prices for Illinois
About Illinois Gas Prices
Key factors impacting current retail gasoline prices in Illinois
Refinery Infrastructure & Logistics
Major refining hub with four large refineries (including ExxonMobil Joliet and Phillips 66 Wood River) plus extensive pipeline junctions.
Seasonal Fuel Blend Specifications
Chicago metropolitan area requires RFG (reformulated gasoline) with strict summer volatility limits.
Market Dynamics & State Fuel Taxes
State fuel tax indexation plus Cook County and City of Chicago local sales taxes make Illinois noticeably more expensive than neighboring Indiana, Missouri, and Iowa. In addition, Illinois levies a state motor fuel excise tax of 47 cents per gallon, which is combined with the federal excise tax of 18.4 cents per gallon.
Major Cities in Illinois
Metropolitan survey data for specific cities across Illinois are published on a specialized monthly schedule by federal bureaus. To guarantee zero fabricated data and adhere strictly to our data transparency charter, city-specific pages are enabled only as verified regional survey feeds are integrated.
Illinois Gas Prices FAQs
Common questions on gasoline prices, price trends, taxes, and fuel comparisons in Illinois
What is the price of the gas today in Illinois?
The average price of regular unleaded gasoline in Illinois today is $4.72 per gallon. Mid-grade fuel averages $5.33/gal, premium gasoline is $5.88/gal, and highway diesel is $6.74/gal. Illinois currently ranks #42 among all 50 states and Washington D.C.
Are gas prices going up in Illinois?
Gas prices in Illinois are falling this week (-7¢/gal). Over the past 7 days, Illinois retail pump prices shifted by -1.5%. Price trajectories in Illinois are primarily driven by major refining hub with four large refineries (including exxonmobil joliet and phillips 66 wood river) plus extensive pipeline junctions.
How does Illinois's gas price compare to the national gas price today?
The national gas price today is $4.41 per gallon. Illinois's current average of $4.72/gal is +$0.30 higher than national average. Key drivers include Illinois's state fuel excise tax of 47¢/gal and regional supply dynamics in the Midwest (PADD 2) zone.
How can I find the best gas prices near me today in Illinois?
When searching for gas prices near you today in Illinois, use the statewide benchmark of $4.72/gal as your reference point. Individual station prices in your immediate neighborhood typically deviate by ±10¢ to 30¢ per gallon due to local brand additives, highway exit convenience charges, and municipal sales taxes.
What is the cost of propane gas per gallon in Illinois?
In Illinois (part of the Midwest / PADD 2 heating region), residential delivered propane averages approximately $2.05 per gallon. While propane has a lower volumetric purchase price than gasoline, propane provides approximately 91,500 BTUs per gallon versus 125,000 BTUs for gasoline, producing an energy-equivalent cost of approximately $2.75 per Gasoline Gallon Equivalent (GGE).
What is the fuel excise tax in Illinois?
Illinois levies a state motor fuel excise tax of 47¢ per gallon. When combined with the standard federal fuel excise tax of 18.4¢ per gallon, drivers in Illinois pay 65.4¢ per gallon in total fuel taxes.