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.
According to the U.S. Census Bureau, the county has a total area of 17,203 square miles (44,560 km), of which 17,170 square miles (44,500 km) is land and 33 square miles (85 km) (0.2%) is water. Not counting Alaska’s boroughs (four of which are also larger), it is the fourth-largest county in area in the United States (behind San Bernardino County, California, Coconino County, Arizona, and Nye County, Nevada). The elevation ranges from about 4,300 feet (1,300 m) at the edge of the salt flats of the Great Salt Lake Desert, to 11,387 feet (3,471 m) on the summit of Ruby Dome in the Ruby Mountains. The most topographically prominent mountain in Elko County is Pilot Peak.
The county has three physiographic sections (70% Great Basin section, 20% Payette, 10% Snake River Plain) and 4 watersheds (45% Humboldt River, 30% Upper Snake River, 20% central Nevada desert, 5% Pilot-Thousand Springs).
As of the census of 2000, there were 45,291 people, 15,638 households, and 11,493 families residing in the county. The population density was 3/sq mi (1/km²). There were 18,456 housing units at an average density of 1/sq mi (0/km²). The racial makeup of the county was 82.04% White, 0.59% Black or African American, 5.30% Native American, 0.68% Asian, 0.11% Pacific Islander, 8.50% from other races, and 2.78% from two or more races. 19.73% of the population were Hispanic or Latino of any race.
There were 15,638 households out of which 43.00% had children under the age of 18 living with them, 59.30% were married couples living together, 8.40% had a female householder with no husband present, and 26.50% were non-families. 20.90% of all households were made up of individuals and 4.80% had someone living alone who was 65 years of age or older. The average household size was 2.85 and the average family size was 3.33.
In the county, the population was spread out with 32.50% under the age of 18, 8.80% from 18 to 24, 31.50% from 25 to 44, 21.30% from 45 to 64, and 5.90% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 108.80 males. For every 100 females age 18 and over, there were 109.40 males.
The median income for a household in the county was $48,383, and the median income for a family was $52,206. Males had a median income of $41,322 versus $24,653 for females. The per capita income for the county was $18,482. About 7.00% of families and 8.90% of the population were below the poverty line, including 9.50% of those under age 18 and 7.60% of those age 65 or over.
As of the 2010 United States Census, there were 48,818 people, 17,442 households, and 12,441 families residing in the county. The population density was 2.8 inhabitants per square mile (1.1/km). There were 19,566 housing units at an average density of 1.1 per square mile (0.42/km). The racial makeup of the county was 79.4% white, 5.3% Native American, 0.9% Asian, 0.8% black or African American, 0.1% Pacific islander, 10.3% from other races, and 3.2% from two or more races. Those of Hispanic or Latino origin made up 22.9% of the population. In terms of ancestry,
Of the 17,442 households, 39.8% had children under the age of 18 living with them, 55.7% were married couples living together, 9.1% had a female householder with no husband present, 28.7% were non-families, and 22.5% of all households were made up of individuals. The average household size was 2.77 and the average family size was 3.26. The median age was 33.4 years.
The median income for a household in the county was $67,038 and the median income for a family was $75,171. Males had a median income of $56,528 versus $34,464 for females. The per capita income for the county was $26,879. About 5.8% of families and 7.1% of the population were below the poverty line, including 8.0% of those under age 18 and 9.0% of those age 65 or over.
Elko County Nevada neighborhoods include: Argent / Copper, College Park, Elko, Hamilton Stage, North Hollow Estates, Rural Kitridge Canyon, Sagecrest, Sundance, The Pointe at Ruby View, Tree Streets