Washoe County is a county in the U.S. state of Nevada. As of the 2010 census, the population was 421,407, making it Nevada’s second-most populous county. Its county seat is Reno.
According to the U.S. Census Bureau, the county has a total area of 6,542 square miles (16,940 km), of which 6,302 square miles (16,320 km) is land and 240 square miles (620 km) (3.7%) is water. The highest point in Washoe County is Mount Rose at 10,785 ft (3,287 m), while the most topographically prominent peak is Virginia Peak.
There are two incorporated cities within the county, namely Reno and Sparks. In 2010, there was a ballot question asking whether the Reno city government and the Washoe County government should become one combined governmental body. According to unofficial results the day after the election, 54% of voters approved of the ballot measure to consolidate the governments.
The Truckee Meadows of Washoe County starts at the furthest southern runway of Reno Tahoe International Airport, GPS Coordinates 39.468836,-119.770912 and runs south east. Rattle Snake Mountain at Huffaker Park, follows the span of Steamboat Creek to the southern east end of Washoe County. This is the last of the range/prairie and wild grass water shed from the eastern range of the Reno Tahoe basin.
As of the census of 2000, there were 339,486 people, 132,084 households, and 83,741 families residing in the county. The population density was 54 people per square mile (21/km²). There were 143,908 housing units at an average density of 23 per square mile (9/km²). The racial makeup of the county was 80.41% White, 2.09% Black or African American, 1.82% Native American, 4.28% Asian, 0.46% Pacific Islander, 7.67% from other races, and 3.28% from two or more races. 16.58% of the population were Hispanic or Latino of any race.
There were 132,084 households out of which 31.10% had children under the age of 18 living with them, 47.90% were married couples living together, 10.30% had a female householder with no husband present, and 36.60% were non-families. 27.00% of all households were made up of individuals and 7.70% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.09.
In the county, the population was spread out with 24.90% under the age of 18, 9.80% from 18 to 24, 31.00% from 25 to 44, 23.80% from 45 to 64, and 10.50% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 102.80 males. For every 100 females age 18 and over, there were 101.80 males.
The median income for a household in the county was $45,815, and the median income for a family was $54,283. Males had a median income of $36,226 versus $27,953 for females. The per capita income for the county was $24,277. About 6.70% of families and 10.00% of the population were below the poverty line, including 12.20% of those under age 18 and 6.20% of those age 65 or over.
As of the 2010 United States Census, there were 421,407 people, 163,445 households, and 102,768 families residing in the county. The population density was 66.9 inhabitants per square mile (25.8/km). There were 184,841 housing units at an average density of 29.3 per square mile (11.3/km). The racial makeup of the county was 76.9% white, 5.2% Asian, 2.3% black or African American, 1.7% American Indian, 0.6% Pacific islander, 9.5% from other races, and 3.8% from two or more races. Those of Hispanic or Latino origin made up 22.2% of the population. In terms of ancestry, 16.9% were German, 13.1% were Irish, 11.8% were English, 7.2% were Italian, and 4.7% were American.
Of the 163,445 households, 32.0% had children under the age of 18 living with them, 45.6% were married couples living together, 11.3% had a female householder with no husband present, 37.1% were non-families, and 27.2% of all households were made up of individuals. The average household size was 2.55 and the average family size was 3.11. The median age was 37.0 years.
The median income for a household in the county was $55,658 and the median income for a family was $67,428. Males had a median income of $46,653 versus $35,559 for females. The per capita income for the county was $29,687. About 8.5% of families and 12.6% of the population were below the poverty line, including 17.0% of those under age 18 and 6.4% of those age 65 or over.
The Demographics of Washoe County covers 6,540.4 square miles. There are approximately 42,154 households in the unincorporated areas with an estimated population of 419,948. The average household size in 2007 was estimated at 2.70. The Truckee Meadows Fire Protection District is charged with fire protection and emergency services.