Overview: Gambling in Colorado
Competitive 10% tax rate. Many operators available. Promotional deductions lower effective rate. No online casino. Strong sportsbook market. The Colorado Division of Gaming oversees all gambling operations in the state.
Online Sports Betting in Colorado
Online sports betting has been legal in Colorado since 2020. There are currently 8 licensed sportsbook apps operating in the state. The state taxes operators at 10% of gross gaming revenue.
Online Casino Gambling in Colorado
Online casino gambling (slots, blackjack, roulette, poker) is not legal in Colorado. Online casino legislation has been considered but has not passed.
Tax Requirements for Gamblers in Colorado
All gambling winnings are subject to federal income tax as ordinary income. You should report net gambling winnings on your federal tax return. Sportsbooks and casinos may issue W-2G forms for significant winnings. Keep records of your gambling activity — wins and losses — throughout the year. Colorado residents should also check state income tax rules for gambling winnings.
Responsible Gambling Resources in Colorado
Problem gambling is a serious issue. If gambling is impacting your life or relationships, free confidential help is available:
- National Problem Gambling Helpline: 1-800-522-4700 (call or text, 24/7)
- National Council on Problem Gambling (ncpgambling.org)
- Colorado Self-Exclusion: CO Division of Gaming Self-Exclusion