Deeth is an unincorporated community near the intersection of Interstate 80 and Nevada State Route 230 in Elko County, Nevada, United States. The population is approximately 28. It used to be more populous, with a water tower, a saloon, a hotel, and other businesses and structures. However, many people have left to find better opportunities. Now only a small population and a few buildings remain. The Post Office remains open as it serves the needs of surrounding ranching areas.