- Original Name: Crater
- Origin of Name: According to a local source, renamed before 1858 for Charles Alexander, an early settler in the area
- History: Had a post office 1903- 1983; on the banks of Alexander Reservoir on Bear River
- Location: 5.9 miles (7 minutes) west of Soda Springs on Hwy 30 W
- No population available for this rural Idaho community

Alexander, ID
Last Mortified:
