Diamond Jo Casino Dubuque at a glance
About Diamond Jo Casino Dubuque
Diamond Jo Casino Dubuque is an Iowa-licensed commercial casino operated by Boyd Gaming at 777 Diamond Jo Lane in Dubuque, Iowa. The property opened in 2006 and runs 1,002 slot machines, 30 table games, and a 7-table poker room on a 24/7 schedule, with golf, restaurant, self-parking, and valet on site. The minimum gambling age is 21, regulated by the Iowa Racing and Gaming Commission. Website: diamondjo.com.
Venue photo
Diamond Jo Casino
Dubuque, Iowa
Dubuque is in Dubuque County at the northeastern corner of Iowa on the Mississippi River, approximately 90 miles northwest of Chicago via US-20 and I-90. The Diamond Jo Lane address reflects the property’s 777 addressing and the Diamond Jo brand — Boyd Gaming also operates Diamond Jo Casino – Worth County in Northwood, Iowa. Dubuque also has Q Casino (City-owned, with Crazy Pineapple poker), making it one of two Iowa cities with two separately licensed commercial casinos.
The Diamond Jo name references the Diamond Jo riverboats that carried cargo and passengers on the Mississippi River in the 19th century under entrepreneur Joseph “Diamond Jo” Reynolds.
Games at Diamond Jo Casino Dubuque
What the directory data shows
Strengths and gaps inferred from games, features, and directory data.
Strengths
3- 7 Card Stud and Omaha alongside Hold'em in the 7-table poker room
- Free Bet Blackjack, Blackjack Double Deck, and One For The Money — specialty formats
- Golf on 24/7 operation with 1,002 machines and 30 table games; Boyd Gaming backing
Watch-outs
2- Website error during our data collection — verify at diamondjo.com before visiting
- Dubuque also has Q Casino (City-owned) — compare specialty formats before choosing
Boyd Gaming's Dubuque casino — 7 Card Stud poker, Free Bet Blackjack, golf, and 1,002 slots on the Mississippi
Diamond Jo Casino Dubuque is Boyd Gaming's northeastern Iowa property, sharing the Dubuque market with Q Casino (City-owned, Crazy Pineapple poker). The 7-table poker room's 7 Card Stud and Omaha spread gives it multi-format depth; Free Bet Blackjack and One For The Money add specialty table game variety. Golf distinguishes it from Q Casino. Boyd also runs Diamond Jo – Worth County in Northwood. Verify hours at diamondjo.com — the site encountered errors during our data collection.
Licensing & Rules
- Regulator
- Iowa Racing and Gaming Commission
- Age Requirement
- 21+
- Sportsbook
- Legal





