Rexburg is a city in Madison County, Idaho, United States. The population was 39,409 at the 2020 census. The city is the county seat of Madison County, its largest city, and the last "dry town" in the USA. Rexburg is the principal city of the Rexburg micropolitan area, which includes Fremont and Madison counties. The city is home to Brigham Young University–Idaho (BYU-Idaho), a private university owned by the Church of Jesus Christ of Latter-day Saints.
- Country
- United States
- Inception
- 1883
- Website
- https://www.rexburg.org/