California State University, Sacramento (CSUS, Sacramento State, or informally Sac State) is a public university in Sacramento, California. Founded in 1947 as Sacramento State College, it is part of the California State University system.

The university enrolls approximately 31,500 students annually, 31,573 in Fall 2021. It also has an alumni base of more than 250,000  and awards 9,000 degrees annually. The university offers 151 different bachelor’s degrees, 69 master’s degrees, 28 types of teaching credentials, and 5 doctoral degrees.

The campus sits on 305 acres (123 ha), covered with over 3,500 trees and over 1,200 resting in the University Arboretum. The university is home to one site of the National Register of Historic Places, the Julia Morgan House.

The Arbor Day Foundation officially declared the university “Tree Campus USA” in 2012. Sacramento State is a Hispanic-serving institution (HSI) and is eligible to be designated as an Asian American Native American Pacific Islander serving institution (AANAPISI).