Grand View is a city along the Snake River in Owyhee County, Idaho, United States. The population was 440 at the 2020 census. It is part …Grand View is a city along the Snake River in Owyhee County, Idaho, United States. The population was 440 at the 2020 census. It is part of the Boise City–Nampa, Idaho Metropolitan Statistical Area. Grand View is located at 42°59′5″N 116°5′36″W / 42.98472°N 116.09333°W, at an elevation of 2,356 feet above sea level. The city is on the Snake River, which is the border with Elmore County.