Elko County is a county in the northeastern corner of the U.S. state of Nevada. As of the 2010 census, the population was 48,818. Its county seat is Elko. The county was established on March 5, 1869, from Lander County.Elko County is the fourth-largest county by area in the contiguous United States, ranking lower when the boroughs of Alaska are included. It is one of only 10 counties in the U.S. with more than 10000sqmi of area.Elko County is part of the Elko, NV Micropolitan Statistical Area. It contains 49.8 percent of the Duck Valley Indian Reservation, set up in the late 19th century for the Shoshone-Paiute peoples; they are a federally recognized tribe. Although slightly more than 50% of the reservation is across the border in Owyhee County, Idaho, the majority of tribal members live on the Nevada side. The reservation's land area is 450.391sqmi.HistoryThis area was long occupied by Native American tribes of the Plateau, particularly the Western Shoshone, Northern Paiute, and Bannock peoples. Their traditional ways were disrupted after European-American settlement, as the two cultures competed for resources and had differing conceptions of land use and property.
