Demon Sauce Price at McDonald's (2026) — Illinois

A Demon Sauce costs $0.49 at McDonald's in Illinois, United States (updated September 2026).

Based on the latest tracked prices, the Demon Sauce from McDonald's costs $0.49 in the United States (September 2026). That's about 96% above the typical McDonald's sauce item — the 3rd-most-expensive of 30 we track. It's available at around 471 McDonald's locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. See how it stacks up across other chains, and track its price for free, on MenuPriceToday.

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