Fish Springs, NevadaFish Springs is a census-designated place in Douglas [County, Nevada|Douglas County], Nevada, United States. The population was 648 at the 2010 [United States Census|2010 census].GeographyFish Springs is on the east side of the Carson Valley of western Nevada, east of Minden, the Douglas County seat. According to the United States [Census Bureau], the CDP has a total area of, all of it land.