Madison County
Also known as Madison County, Idaho, Madison County, ID
county in Idaho, United States
Key facts
- Country
- United States
- State
- Idaho
- Founded
- February 18, 1913
- Named after
- James Madison
- Seat
- Rexburg
- Largest city
- Rexburg
- Total
- 473 sq mi (1,230 km )
- Land
- 469 sq mi (1,210 km )
- Water
- 4.0 sq mi (10 km ) 0.8%
- Estimate 2025
- 55,172
- Density
- 113/sq mi (43.6/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
- UTC−6 ( MDT )
Article
Madison County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 52,913. The county seat and largest city is Rexburg. Madison County is part of the Rexburg, Idaho micropolitan area, which is also included in the Idaho Falls-Rexburg-Blackfoot Combined Statistical Area.
History