Idaho County, Idaho

Idaho County
County
Tolo Lake
Location within the U.S. state of Idaho
Idaho's location within the U.S.
Coordinates: 45°51′N 115°28′W / 45.85°N 115.46°W / 45.85; -115.46
Country	United States
State	Idaho
Founded	February 4, 1864
Named for	A steamer called Idaho that was launched on the Columbia River in 1860
Seat	Grangeville
Largest city	Grangeville
Area
• Total	8,503 sq mi (22,020 km2)
• Land	8,477 sq mi (21,960 km2)
• Water	26 sq mi (70 km2)  0.3%
Population  (2020)
• Total	16,541
• Density	1.9/sq mi (0.75/km2)
Time zones
North of Salmon River	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
South of Salmon River	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	1st
Website	idahocounty.org

Idaho County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 16,541.^[1] The county seat and largest city is Grangeville.^[2]

The county is one of the few counties in the United States with two time zones. Most of the county is in the Pacific Time Zone. The areas south of the Salmon River are in the Mountain Time Zone.

1. ↑ "QuickFacts: Idaho County, Idaho". United States Census Bureau. Retrieved September 25, 2023.
2. ↑ "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.