Idaho County, Idaho

Idaho County is a county in the U.S. state of Idaho. As of the 2010 census, the population was 16,267. The county seat and largest city is Grangeville.
The county is one of the few counties in the United States with two time zones, divided by the Salmon River. Most of the county is in the Pacific Time Zone, but those areas south of the Salmon River are in the Mountain Time Zone.