Madison County
IDGenWeb
Madison County IDGenWeb is a free genealogical site about the history of the county.
We hope you find helpful clues for your research of Madison county ancestors.
Are you familiar with the area? Do you have a family tree connection to the area? Please consider contributing your pieces of Madison County family history. Corrections, updates, and additions to this site are always welcome. Our combined efforts can make this a great site for all who visit!
County Coordinator: YOU? Madison County IDGenWeb is AVAILABLE FOR ADOPTION.
If you are interested in helping, please don't hesitate to contact us.
Temporary County Coordinator: Norma Hass normahass01@gmail.com
State Coordinator: Kerry Hairston kerry.hairston@gmail.com
Madison County was established February 18, 1913, from a southern portion of
Fremont County. It was named in honor of James Madison, the fourth president of
the United States.
It is located in the southeastern area of Idaho.
Jefferson County, its neighbor to the west, was established the same day, from a
southwestern portion of Fremont County. Bonneville County lies to the south of
Madison County. In 1915, Madison County lost its eastern portion to the creation
of Teton County.
Rexburg is the County Seat.
First settlers in the
county were Mormons from Utah, who built the first irrigation system and the
farms. Water was diverted from the North Fork of the Snake River, the Teton
River, and the main Snake River.
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This page was last updated 12/02/2023