Eureka County is a county in the U.S. state of Nevada. As of the 2010 census, the population was 1,987, making it the second-least populous county in Nevada. Its county seat is Eureka.
According to the U.S. Census Bureau, the county has an area of 4,180 square miles (10,800 km), of which 4,176 square miles (10,820 km) is land and 4.3 square miles (11 km) (0.1%) is water.
The county’s highest point is the 10,631 ft (3240 m) summit of Diamond Peak in the Diamond Mountains along the border with White Pine County.
As of the census of 2000, there were 1,651 people, 666 households, and 440 families residing in the county. The population density was 0.39 people per square mile (0.15/km²). There were 1,025 housing units at an average density of 0.25 per square mile (0.09/km²).
There were 666 households out of which 33.00% had children under the age of 18 living with them, 56.50% were married couples living together, 5.00% had a female householder with no husband present, and 33.90% were non-families. 29.10% of all households were made up of individuals and 9.90% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.08.
In the county, the population was spread out with 27.80% under the age of 18, 5.20% from 18 to 24, 28.60% from 25 to 44, 25.90% from 45 to 64, and 12.40% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 106.60 males. For every 100 females age 18 and over, there were 113.20 males.
The county’s median household income was $41,417, and the median family income was $49,438. Males had a median income of $45,167 versus $25,000 for females. The county’s per capita income was $18,629. 12.60% of the population and 8.90% of families were below the poverty line. Out of the people living in poverty, 11.70% are under the age of 18 and 16.40% are 65 or older.
As of the 2010 United States Census, there were 1,987 people, 836 households, and 495 families residing in the county. The population density was 0.5 inhabitants per square mile (0.19/km). There were 1,076 housing units at an average density of 0.3 per square mile (0.12/km). The racial makeup of the county was 89.3% white, 2.4% American Indian, 0.9% Asian, 0.1% black or African American, 5.1% from other races, and 2.2% from two or more races. Those of Hispanic or Latino origin made up 12.0% of the population. In terms of ancestry, 43.3% were American, 14.8% were German, 11.4% were Irish, 7.3% were English, and 6.9% were Italian.
Of the 836 households, 27.3% had children under the age of 18 living with them, 51.6% were married couples living together, 4.2% had a female householder with no husband present, 40.8% were non-families, and 33.0% of all households were made up of individuals. The average household size was 2.38 and the average family size was 3.07. The median age was 42.4 years.
The median income for a household in the county was $61,400 and the median income for a family was $75,179. Males had a median income of $54,625 versus $42,321 for females. The per capita income for the county was $30,306. About 9.9% of families and 16.2% of the population were below the poverty line, including 23.6% of those under age 18 and 13.9% of those age 65 or over.