Rexburg Flag

Rexburg

County:
Madison County
County Seat:
Yes
Area (mi²):
10.421
State:
Idaho

Rexburg is a city located in Madison County, Idaho. Rexburg has a 2026 population of 40,695. It is also the county seat of Madison County. Rexburg is currently declining at a rate of -0.03% annually but its population has increased by 2.34% since the most recent census, which recorded a population of 39,764 in 2020.

40.7K
Total Population
3,905
Density (mi²)
-12 -0.03%
Growth