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Idaho Falls, Idaho

Located in Bonneville County, Idaho, Idaho Falls was established in 1864. Idaho National Laboratory is the nation's lead nuclear energy research facility. The SL-1 accident in 1961 was the first fatal nuclear reactor accident in the U.S.
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Founded 1864 | Population 67,000 | Peak 67,000 (2024) | County Bonneville County

Top 10 Most Important Events for Idaho Falls, Idaho

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1864 Founded: Snake River crossing.
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1914 Economic Development: Idaho Falls grew through the oil and petroleum industry.
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1949 INL: Idaho National Laboratory established.
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1961 Nuclear Accident: SL-1 reactor accident kills 3; first fatal U.S. nuclear accident.
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2010 Modern Era: Idaho Falls continued to develop as part of the region, with new infrastructure and community amenities.
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Latest News in Idaho Falls

Apr 15, 2016
Pastor Freed Iran Reunite Wife North Carolina Retreat
Asheville, North Carolina – Pastor Saeed Abedini stepped off a plane and into the arms of his waiting wife in a quiet mountain r…
May 18, 2015
Officials Finally Identify Strange Creature Discovered Idaho Photo
Boise, Idaho (May 18, 2015) — For months, a bizarre photo of a mysterious creature found in the Idaho wilderness had people scra…

Complete Historical Timeline

1864 Culture
Founded
1914 Industry
Economic Development
1949 Science
INL
1961 Disaster
Nuclear Accident
2010 Culture
Modern Era

Did You Know?

1
Idaho National Laboratory is the nation's lead nuclear energy research facility.
2
The SL-1 accident in 1961 was the first fatal nuclear reactor accident in the U.S.
3
Gateway to Yellowstone — about 2 hours away.
4
Idaho Falls is located in Bonneville County, Idaho.
5
Idaho Falls was founded in 1864.

Famous People from Idaho Falls, Idaho

MK
Mary Kornman
Actor, Child Actor · Born Dec 27, 1915 · Died Jun 1, 1973 (age 57)
DC
D. Worth Clark
Lawyer, Politician · Born Apr 2, 1902 · Died Jun 19, 1955 (age 53)

Other Cities in Idaho

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B
Boise
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M
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N
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Pop. 108,700
C
Caldwell
Pop. 63,800
P
Pocatello
Pop. 58,000
CD
Coeur d'Alene
Pop. 58,000
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