Lake County, Illinois Gas Price Today

Today's gas price in Lake County, Illinois is $3.840 per gallon for regular unleaded fuel. Midgrade gasoline averages $4.427, premium fuel is $5.011, and diesel is $5.103 per gallon. These local prices help you find gas prices near me updated every morning.

Lake County's regular gas price of $3.840 per gallon is $0.135 per gallon below the Illinois state average of $3.975 per gallon. Local price differences reflect competition between stations, fuel delivery costs, and proximity to regional supply terminals in your area.

Lake County's price of $3.840 per gallon is $0.050 per gallon above the national average of $3.790 per gallon. This price gap is influenced by Illinois's state fuel taxes, regional refining capacity, and the geographic location of the metro area itself.