California State University, Northridge (also known as CSUN /ˈsiːsʌn/ or Cal State Northridge) is a public state university located in the Northridge neighborhood of Los Angeles, California in the San Fernando Valley. With a total enrollment of 38,716 students (as of Fall 2018), it has the largest undergraduate population as well as the second largest total student body of the 23-campus California State University system , making it one of the largest comprehensive universities in the State of California in terms of enrollment size. The size of CSUN also has a major impact on the California economy, with an estimated $1. 9 billion in economic output generated by CSUN on a yearly basis. As of Fall 2017, the university had 2,127 faculty, of which 818 (or about 40%) were tenured or on the tenure track.