Colorado State University is a public land-grant research university in Fort Collins, Colorado, United States. It is the flagship university of the Colorado State University System. It was founded in 1870 as Colorado Agricultural College and assumed its current name in 1957. In 2024, enrollment was approximately 34,000 students, including resident and non-resident instruction students. The university has approximately 1,500 faculty in 8 colleges and 55 academic departments.