Oklahoma State University–Stillwater Motto N/A Established 1890 Type Public Sun-grant Land-grant Endowment $382 million [1] President Dr Marlene Strathe, Interm Staff 1,857 Students 23,819 Location Stillwater , Oklahoma , USA ( 36°07′56.02″N, 97°04′51.23″W ) Campus Small city , 415 acres (1.68 km²) Main Campus Nickname Cowboys/Cowgirls Colors Orange and Black Mascot