# Illinois propane prices Latest surveyed price (Mar 30, 2026): $2.026/gal, wholesale $0.983/gal. EIA weekly survey (October-March). _Data through Mar 30, 2026 · source last checked Jul 26, 2026 · page revised Jul 26, 2026_ > Out of season — last quoted Mar 30, 2026. > Now $2.026/gal, 0% above the 4-yr median. The EIA weekly price survey runs October through March; the latest reading is $2.026/gal from Mar 30, 2026. The survey resumes in October. Illinois residential propane closed at $2.026/gal on Mar 30, down 0.6 cents on the week and 4.2 cents from four weeks ago. Wholesale priced at $0.983/gal. Residential prices sit at the 4-year median despite a 1.9% year-over-year gain. The EIA survey runs October through March; the next report comes in October. ## Final weeks of the 2025-26 heating season | Period | Current | Prior | Change | | --- | --- | --- | --- | | vs 4-yr median | $2.026/gal | $2.019/gal | +0.3% | | Year over year | $2.026/gal | $1.988/gal | +1.9% | | vs 4 weeks ago | $2.026/gal | $2.068/gal | -2.0% | | Week over week | $2.026/gal | $2.032/gal | -0.3% | ### Propane-heated households — US Census ACS 5-year estimate (2020-2024), table B25040 | Measure | Value | | --- | --- | | Homes heating with propane | 213,764 | | Share of occupied homes | 4.2% | | Occupied homes (all fuels) | 5,036,449 | | National rank by propane share | #34 of 51 | ## About this data - Source: EIA State Heating Oil and Propane Program survey - Series: Residential retail propane price - Basis: Residential, retail - Geography: Illinois propane prices - Unit: $/gal - Calculation period: Weekly survey, Oct-Mar heating season - Last observation: Mar 30, 2026 - Update frequency: Weekly, Oct-Mar --- Cite: Residential propane in Illinois propane prices averaged $2.026/gal as of Mar 30, 2026 (EIA). The Fill Line. https://fill-line.com/state/illinois Canonical URL: https://fill-line.com/state/illinois