List of counties in Idaho

There are 44 counties in the U.S. state of Idaho.

Alphabetical list

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Old Idaho counties
 Alturas County: A huge county in south-central Idaho that was formed in 1864, but split up in 1895.
 Lah-Toh County, Idaho Territory: A county in northern Idaho that was formed in 1864, but it was ended a short time later in 1867.
 Logan County: Formed by a partition of Alturas County in 1889, bit it was shortly ended in 1895.

References

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Category:Idaho-related lists
Idaho