Updated April 5, 2026 — Prices updated regularly from EIA data
$3.47
Average Regular Unleaded — Evanston, Illinois
Current Gas Prices in Evanston
Today in Evanston, Illinois, regular gas is averaging $$3.47 per gallon. Prices across the metro vary by as much as 20-30 cents, so using a price comparison app before every fill-up pays off.
Fuel Type
Price / Gallon
Grade
Trend
Regular Unleaded
$3.47
87 octane
▲ Rising
Mid-Grade
$4.01
89 octane
▲ Rising
Premium
$4.33
91-93 octane
▲ Rising
Diesel
$4.70
N/A
▲ Rising
Price Comparison
Evanston Average
$3.47
Regular Unleaded
Illinois State Average
$3.36
$0.11 above the Illinois average
National Average
$3.99
$0.52 below the national average
About Gas Prices in Evanston
Local Evanston drivers have learned key strategies for minimizing fuel costs. Fill up on Mondays or Tuesdays when prices are typically at their weekly low. Avoid stations within a mile of highway exits — the convenience markup adds real cost. Loyalty apps from major brands can save 5-10 cents per gallon with minimal effort.
Gas Prices by Brand in This City
Estimated prices based on brand modifiers. Sorted cheapest to most expensive.
Most states have price gouging statutes that activate during declared emergencies. Outside of emergency declarations, gas stations set prices based on market conditions. Normal price variation between stations is competition, not gouging.
GasBuddy is the most comprehensive option for Evanston with millions of user-reported prices updated in real time. Waze integrates gas prices into navigation. GetUpside/Upside offers cashback on purchases at qualifying stations.
Each gallon of gas in Evanston, Illinois includes 18.4 cents in federal excise tax plus {tax} cents in Illinois state fuel tax — a combined {totalTax} cents per gallon. On a 15-gallon fill-up, you pay ${taxTotal} in fuel taxes alone.
Today's average gas price in Evanston is $$3.47 per gallon for regular unleaded. Premium is approximately ${premPrice} and diesel runs ${dslPrice}. Individual station prices vary by 15-25 cents across the metro area.
The cheapest gas in Evanston is typically found at warehouse clubs (Costco, Sam's Club), high-volume discount chains like Circle K and Speedway, and stations in commercial strips with multiple competitors. Our brand comparison table shows current estimated prices by major brand in Evanston.