As of year-end 2007, The Church of Jesus Christ of Latter-day Saints reported 399,427 members in 115 stakes, 1,047 Congregations (936 wards and 111 branches), 2 missions

Mission (LDS Church)

A mission of The Church of Jesus Christ of Latter-day Saints is a geographical administrative area to which church missionaries are assigned. Almost all areas of the world are within the boundaries of an LDS Church mission, whether or not Mormon missionaries live or proselytize in the area...

, and 4 temples

Temple (LDS Church)

In The Church of Jesus Christ of Latter-day Saints , a temple is a building dedicated to be a House of the Lord, and they are considered by Church members to be the most sacred structures on earth. Upon completion, temples are usually open to the public for a short period of time...

 in Idaho, with a fifth announced. It also is home to Brigham Young University–Idaho

Brigham Young University–Idaho

Brigham Young University–Idaho is a private university located in Rexburg, Idaho. Founded in 1888, the university is owned and operated by The Church of Jesus Christ of Latter-day Saints , and transitioned from a junior college to a four-year institution in 2001, known for the greater part of its...

.

Idaho has the third most Mormons of any U.S. state (after Utah and California), and the second-highest percentage of Mormons (after Utah). Mormonism is strongest in Eastern Idaho.

History

A brief history can be found at LDS Newsroom (Idaho)

Idaho Membership History

Year	Membership
1900	29,421
1920	77,900
1930	87,100
1940	105,200
1950	137,250
1960	168,900
1970	183,400
1980	272,670
1990	296,782
1999	343,489
2008	406,764

Missions

Mission	Organized
Idaho Boise Mission	July 1, 1974
Idaho Pocatello Mission	July 1, 1991

Temples

Idaho currently has 4 temples in operation. On April 2, 2011, the Meridian Idaho Temple was announced]
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Communities

Latter-day Saints have had a significant role in establishing and settling communities within the "Mormon Corridor

Mormon Corridor

The Mormon Corridor is a term for the areas of Western North America that were settled between 1850 and approximately 1890 by members of The Church of Jesus Christ of Latter-day Saints , who are commonly known as Mormons....

", including the following in Idaho:

• Chesterfield
  Chesterfield, Idaho
  Chesterfield is a ghost town in Caribou County, Idaho, United States. It is located in the Portneuf River Valley at an elevation of . The community includes a cemetery and former buildings of The Church of Jesus Christ of Latter-day Saints such as a former meeting house, amusement hall and...
  
  
• Idaho Falls
  Idaho Falls, Idaho
  Idaho Falls is a city in and the county seat of Bonneville County, Idaho, United States, and the largest city in Eastern Idaho. As of the 2010 census, the population of Idaho Falls was 56,813, with a metro population of 130,374....
  
  
• Malad City
  Malad City, Idaho
  For the Mumbai, India Suburb, see Malad .Malad City is the only city in and the county seat of Oneida County, Idaho, United States. Its population was 2,158 at the 2000 census....
  
  
• Mud Lake
  Mud Lake, Idaho
  Mud Lake is a city in Jefferson County, Idaho, United States. It is part of the Idaho Falls, Idaho Metropolitan Statistical Area. The population was 270 at the 2000 census.-History:...
  
  
• Paris
  Paris, Idaho
  Paris is a rural city located on the western side of the Bear Lake Valley in Bear Lake County, Idaho, United States. Its population was 576 at the 2000 census. The county seat of Bear Lake County, it was settled on September 26, 1863 by pioneer settlers of The Church of Jesus Christ of Latter-day...
  
  
• Pocatello
  Pocatello, Idaho
  Pocatello is the county seat and largest city of Bannock County, with a small portion on the Fort Hall Indian Reservation in neighboring Power County, in the southeastern part of the U.S. state of Idaho. It is the principal city of the Pocatello metropolitan area, which encompasses all of Bannock...
  
  
• Rexburg
  Rexburg, Idaho
  -Demographics:As of the census of 2000, there were 17,257 people, 4,274 households, and 2,393 families residing in the city. The population density was 3,534.4 people per square mile . There were 4,533 housing units at an average density of 928.4 per square mile...
  
  
• Sugar City
  Sugar City, Idaho
  Sugar City is a city in Madison County, Idaho, United States. The population was 1,242 at the 2000 census. It is part of the Rexburg, Idaho Micropolitan Statistical Area.-History:...
  
  

External links

• LDS Newsroom (Idaho)
• The Church of Jesus Christ of Latter-day Saints - Official Site
• The Church of Jesus Christ of Latter-day Saints - Visitors Site