Madison County, Idaho

Madison County: County in Idaho, United States

About

Madison County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 37,536 and a population density of 31 people per km². After 9 years in 2019 county had an estimated population of 39,907 inhabitants. Its county seat is Rexburg. The county was created 111 years ago in 1913.

Madison County is located in the heart of southeast Idaho along the Montana border. It was settled in the 1860s by Mormon pioneers who established communities like Rexburg. The area remained quite remote and agrarian until modern development came after WWII.

Today, the county is anchored by Brigham Young University-Idaho which influences the local economy and culture.

Key Cities and Areas

Some of the main cities and features of Madison County include:

  • Rexburg - The county seat and largest city, home to BYU-Idaho and the Teton Flood Museum.
  • Sugar City - A small farming town known for its 4th of July hot air balloon festival.
  • Island Park - Popular recreational getaway located on the Henry's Fork of the Snake River and Yellowstone border.
  • St. Anthony Sand Dunes - Vast dunes that draw ATV and recreation enthusiasts.

Things to See and Do

Top attractions and activities in Madison County include:

  • Tour the Yellowstone Bear World wildlife park to see bears, wolves, and other animals up close.
  • Hike through majestic Mesa Falls Scenic Area and see the towering waterfalls.
  • Visit the BYU-Idaho Campus and check out local performances and events.
  • Go snowmobiling, horseback riding, or cross-country skiing through miles of pristine national forest.
  • Check out the Rexburg Tabernacle and other historic Mormon settler sites.

With access to rivers, mountains, parks, and Yellowstone, Madison County offers unlimited recreation paired with small town charm.

Madison County locator map
Location of Madison County on Idaho map.

Quick Facts about Madison County

Population : 39,907 (2019)
Country : United States of America
State : Idaho (United States)
Different from : Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison Parish, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County
Area : 1226 km2
Water as percent of area : 0.8%
Land as percent of area : 99.2%
Named for : James Madison
Capital : Rexburg
Establishment : February 02, 1913
Time Zone : UTC−07:00
Local time : 11:55:25 (4th May 2024)
Density : 33 Pop. per km² as of 2019
Population growth : 5.94% (2010-2019)
Madison County Courthouse Idaho image
Madison County Courthouse Idaho
Madison County Courthouse Idaho image
Madison County Courthouse Idaho image

Geography

Madison County is located at 43°47'3"N 111°39'34"W (43.7841900, -111.6593400). It has 4 neighbors: Bonneville County, Fremont County, Jefferson County and Teton County.

Madison County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Madison County is Rexburg with a population of 29,400. Other cities include and Sugar City population 1,452. See all Madison County cities & populated places.

Madison County Populated Places

Cities, towns, neighborhoods & other populated places in Madison County.

City Name Population Title
Rexburg 29,400 City in and county seat of Madison County, Idaho, United States
Sugar City 1,452 City in Madison County, Idaho, United States

Madison County has 4 neighbours.

  • Rexburg

Demographics

The population of Madison County increased by 5.94% in 9 years.

Year Population % Change Method
2010 37,536 - census
2011 37,908 0.98% estimation process
2012 37,662 -0.65% estimation process
2013 37,527 -0.36% estimation process
2014 37,900 0.98% estimation process
2015 37,989 0.23% estimation process
2016 38,972 2.52% estimation process
2017 39,370 1.01% estimation process
2018 39,261 -0.28% estimation process
2019 39,907 1.62% estimation process

Comitatul Madison, Comte de Madison, Comté de Madison, Condado de Madison, Condado han Madison, Contea di Madison, Hrabstwo Madison, Madison, Madison Kun, Madison Kūn, Madison konderria, Madison megye, Madisun, Medison, Medison srjan, Okrug Medison, Quan Madison, Quận Madison, madison jun, mai di xun xian, medisana ka'unti, mqatʿt madyswn, shhrstan mdyswn aydahw, Мадисон, Мадисън, Медісон, Округ Медисон, Մեդիսոն շրջան, شهرستان مدیسون، آیداهو, ماڈیسن کاؤنٹی، اڈاہو, مقاطعة ماديسون, میڈیسن کاؤنٹی، ایڈاہو, মেডিশন কাউন্টি, マディソン郡, 麥迪遜縣

People born in Madison County (2)

People born in Madison County, including agronomist Gayland D. Robison, politician from Idaho Doug Ricks, .

List

Other places with the same name (19)

Idaho Other Counties (more counties)

County Name Population Title
Ada County 481,587 County in Idaho, United States
Canyon County 229,849 County in Idaho, United States
Boise 228,959 The capital of Idaho.
Kootenai County 165,697 County in Idaho, United States
Bonneville County 119,062 County in Idaho, United States
Meridian 114,161 The most populous city in Ada County, Idaho.
Nampa 99,277 The most populous city in Canyon County, Idaho.
Bannock County 87,808 County in Idaho, United States
Twin Falls County 86,878 County in Idaho, United States
Idaho Falls 62,888 The most populous city in Bonneville County, Idaho.
Caldwell 58,481 The most populous city in Canyon County, Idaho.
Pocatello 56,637 The most populous city in Bannock County, Idaho.
Coeur d'Alene 52,414 A city in Kootenai County, Idaho.
Twin Falls 50,197 The most populous city in Twin Falls County, Idaho.
Bingham County 46,811 County in Idaho, United States
Bonner County 45,739 County in Idaho, United States