Gem County, Idaho County, Idaho were: Gem County, Idaho Gem County is a county in the U.S. state of Idaho. As of the 2010 census, the population was 16,719. The county seat and largest city is Emmett. Gem County is part of the Boise, ID Metropolitan Statistical Area. Gem County is home to the Idaho ground squirrel. Named for the state nickname, "Gem State," the county was established on March 15, 1915, partitioned from Canyon County and Boise County. Fur trappers were in the area as early as 1818, and Alexander Ross explored Squaw Creek in 1824. Prospectors and miners moved through the
Washington (state) The state gem is petrified wood. The state fossil is the Columbian mammoth. The state marine mammal is the orca. The state land mammal is the Olympic marmot. The state seal (featured in the state flag as well) was inspired by the unfinished portrait by Gilbert Stuart. Washington (state) Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the United States. Named for George Washington, the first president of the United States, the state was made out of the western part of the Washington Territory, which was ceded by Britain in 1846 in