Diamond Jo Worth
Casino in Northwood, IA · 777 Diamond Jo Lane, Northwood, IA 50459
Operated by Boyd Gaming
How old do you have to be to gamble at Diamond Jo Worth?
18+ or 21+, depending on the casino.
Casinos Near Northwood
Licensed by the Iowa Racing and Gaming Commission.
Source: https://irgc.iowa.gov/licensing-information/facility-licenses/diamond-jo-worth, verified 2026-10-28.
Last checked 2026-10-28.
Directory listing compiled from public operator and property information. Confirm hours and ID rules with the venue before you go.
18+ or 21+, depending on the casino.
Gambling problem? Call 1-800-BETS OFF. National Problem Gambling Helpline: 1-800-MY-RESET (1-800-697-3738).