Dry Valley is a census-designated place in Lincoln County, Nevada, United States. As of the 2020 census it had a population of 49. The CDP is located in Dry Valley, a flat basin through which Meadow Valley Wash flows before it exits to the southwest into Condor Canyon. The CDP is located 9 miles east of Pioche and is reached by Echo Dam Road, w…Dry Valley is a census-designated place in Lincoln County, Nevada, United States. As of the 2020 census it had a population of 49. The CDP is located in Dry Valley, a flat basin through which Meadow Valley Wash flows before it exits to the southwest into Condor Canyon. The CDP is located 9 miles east of Pioche and is reached by Echo Dam Road, which continues east another 3 miles to Echo Canyon State Park.