List of counties in Nevada

This is a List of counties in Nevada. There are sixteen and one  in the  of. On, , the first Nevada Territorial Legislature established nine counties. Nevada was admitted to the Union on, with eleven counties. In 1969, and Carson City were consolidated into a single municipal government known as Carson City.

The FIPS county code is the five-digit Federal Information Processing Standard (FIPS) code which uniquely identifies counties and county equivalents in the United States. The three-digit number is unique to each individual county within a state, but to be unique within the entire United States, it must be prefixed by the state code. This means that, for example, while is number 023,  and  also have the number 023. While has number 013,  has number 091. To uniquely identify Nye County, Nevada, you would need to use the state code of 32 plus the county code of 023. Thus the unique identifier for the entire United States for Humboldt County, Nevada would be 32013, for Nye County, Nevada would be 32023, etc.

Defunct counties

 * formed in 1987 from part of Nye county. Creation declared unconstitutional and abolished in 1989.
 * one of the original nine counties formed in 1861. Renamed Roop county in 1862. Nevada portions annexed in 1883 to Washoe county, remainder became in 1864.
 * one of the original nine counties formed in 1861 and was consolidated into Carson City, Nevada in 1969.