| Roop County | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| County of Nevada Territory | |||||||||||
| 1861–1864 | |||||||||||
| History | |||||||||||
• Established | 1861 | ||||||||||
• Disestablished | 1864 | ||||||||||
| Contained within | |||||||||||
| • Country |  United States | ||||||||||
| • Territory | Nevada Territory | ||||||||||
| |||||||||||
| Today part of | United States | ||||||||||
Roop County, known until 1862 as Lake County, was a county of Nevada Territory in the United States from 1861 until 1864. It was created in 1861 as one of the original nine counties of Nevada. In 1864 it was succeeded by Lassen County, California and Washoe County, Nevada.