Idaho County, Idaho

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Idaho County
Tolo Lake
Map of Idaho highlighting Idaho County
Location within the U.S. state of Idaho
Map of the United States highlighting 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
FoundedFebruary 4, 1864
Named forA steamer called Idaho that was launched on the Columbia River in 1860
Largest cityGrangeville
 • Total8,503 sq mi (22,020 km2)
 • Land8,477 sq mi (21,960 km2)
 • Water26 sq mi (70 km2)  0.3%
 • Total16,541
 • Density1.9/sq mi (0.75/km2)
Time zones
North of Salmon RiverUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
South of Salmon RiverUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district1st

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.

Communities[change | change source]

Cities[change | change source]

Census-designated place[change | change source]

Unincorporated communities[change | change source]

Ghost town[change | change source]

References[change | change source]

  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.

Other websites[change | change source]