what county is newhall ca in
Newhall (in Los Angeles County, CA) Populated Place Profile. Newhall (GNIS FID: 272642) is a populated place LOCATED WITHIN the City of Santa Clarita. In turn, the City of Santa Clarita is located within Los Angeles County. Newhall is located at latitude 34.385 and longitude -118.531. The elevation of Newhall is 1,257 feet above mean sea level.