Twin Falls County, Idaho, USA is a county and its address is Twin Falls, Idaho USA.
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Twin Falls County is a county in the south central part of the U.S. state of Idaho
Founded February 21, 1907
Prior to the 1860s, the Twin Falls County area was an unorganized part of Shoshone lands, then as part of the Oregon Country. The area was first organized as part of the original Owyhee County in 1864 as part of Idaho Territory. In 1879 it was partitioned away from Owyhee County to form part of Cassia County.
The county is named for a split waterfall on the Snake River of the same name.
