For residents of Idaho looking for 18+ casinos, the options are limited. Idaho state gambling laws permit 21+ players at land based casinos, whilst there are online options that have a minimum age of 18+.
Here is a list of casinos in Idaho and their minimum gambling age.
| Casino | Address | Legal Age |
| Benewah Market | 1111 Birch St, Plummer, 83851, Idaho | 21+ |
| Coeur D’Alene Casino | 37914 S Nukwalqw St, Plummer, 83876 ,Idaho | 21+ |
| Kootenai River Inn Casino & Spa | 7169 Plaza St, Plummer, 83805 ,Idaho | 21+ |
| Clearwater Casino & Lodge | 17500 Nez Perce Rd, Lewiston, 83501 ,Idaho | 21+ |
| It’se Ye Ye Casino and Lodge | 419 3rd St, Kamiah, 83536 ,Idaho | 21+ |
| Bannock Peak Casino | 1103 E County Rd, Pocatello, 83204 ,Idaho | 21+ |
| Benewah Automotive Center | 1103 E County Rd, Pocatello, 83204 ,Idaho | 21+ |
| Sage Hill Travel Center & Casino | 843 N Treaty Hwy, Blackfoot, 83221 ,Idaho | 21+ |
| Shoshone-Bannock Casino | 777 Bannock Trail, Fort Hall, 83203 ,Idaho | 21+ |