Cypress Hill is a populated place LOCATED WITHIN the City of Grass Valley. In turn, the City of Grass Valley is located within Nevada County.
Cypress Hill is located at latitude 39.229 and longitude -121.059.
Since Cypress Hill is located within the City of Grass Valley, all of the census and demographic data for residents of Cypress Hill are included as part of the information reported for City of Grass Valley in the "Profile" tab above.