Illinois Sports Betting Guide 2026

Legal Online Sportsbooks in Illinois

These sportsbooks are licensed to operate in Illinois and accept bettors aged 21+:

• DraftKings Sportsbook — Bet $5, Get $100 in Bonus Bets (Apr 27–May 31, 2026).
• FanDuel Sportsbook — Bet $5, Get $150 If Your Bet Wins (May 4–Jun 3, 2026).
• BetMGM Sportsbook — First Bet Offer up to $1,500.
• Caesars Sportsbook — Wager $1, Get $300 in bonus bets.
• bet365 Sportsbook — First Bet Safety Net up to $1,000.
• BetRivers Sportsbook — 2nd Chance Bet up to $500.

Illinois Market Overview

Illinois is one of the largest betting markets in the country. The 2024 graduated tax structure (top operators pay 35-40% of GGR) has compressed promo activity but not market size. Chicago's pro franchises drive massive NFL/NBA/MLB volume.

• Graduated tax — top operators pay 35-40% of GGR.
• Largest single-state population among Big Ten markets.

How to Sign Up at a Illinois Sportsbook

1. Choose a licensed sportsbook from the list above. (Operators not listed here are unlikely to be legal in Illinois.)
2. Click through to the operator review and use the linked sign-up button.
3. Verify your identity (legal name, date of birth, last 4 of SSN, address).
4. Confirm you're physically located in Illinois — geolocation is checked at every login.
5. Make a deposit and claim the welcome offer. Read the responsible gambling resources before betting.

Best Welcome Bonuses Available in Illinois

For the latest welcome offers in Illinois, see our continuously-updated bonus finder.

What to Bet On in Illinois

• NFL betting — by far the largest single sport in every US state.
• NBA betting — heavy regular-season and playoff handle.
• MLB betting — long season, lots of markets, sharp F5 lines.
• College sports — football and basketball, with state-specific player-prop restrictions in some states.
• All sports betting hubs

Responsible Gambling Resources for Illinois Bettors

If betting stops being fun, help is free and confidential. Call 1-800-GAMBLER or visit our responsible gambling page for state-specific resources, self-exclusion tools, and operator-level controls.

Frequently asked questions

More: all US states · operator reviews · current bonuses · strategy guides · 2026 industry report.

Reviewed by editorial team · Last updated April 30, 2026 · By Alex Park