Idaho Falls
City of Idaho Falls | |
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Coordinates: Coordinates: 43°29′30″N 112°1′57″W / 43.49167°N 112.03250°W | |
Country | United States |
State | Idaho |
County | Bonneville |
Founded | 1864 |
Incorporated | 1891 |
Government | |
• Mayor | Jared Fuhriman |
Area | |
• City | 17.4 sq mi (45.0 km2) |
• Land | 17.1 sq mi (44.2 km2) |
• Water | 0.3 sq mi (0.8 km2) |
Elevation | 4,705 ft (1,434 m) |
Population (as of 2008[update]) | |
• City | 57,133 |
• Density | 2,972.2/sq mi (447.2/km2) |
• Metro | 119,980 |
Time zone | UTC-7 (Mountain) |
• Summer (DST) | UTC-6 (Mountain) |
Area code(s) | 208 |
FIPS code | 16-39700 |
GNIS feature ID | 0396684 |
Website | www.ci.idaho-falls.id.us |
Idaho Falls is the biggest city of Bonneville County in the state of Idaho, United States. It is the county seat of Bonneville County. It is one of the largest cities in Idaho. Many Mormons live there. The fourth Mormon temple outside of Utah was built there.

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