Illinois Gasoline prices, liter

We show Octane-95 gasoline price data for Illinois from 03-Mar-2025 to 09-Jun-2025. The average gasoline price during that period is 1.01 per liter with a minimum of 0.97 on 03-Mar-2025 and a maximum of 1.04 on 31-Mar-2025. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Illinois every week.