Hardin–Simmons University has a well-developed campus infrastructure designed to support academics, student life, athletics, and technology-enhanced learning. Spread across more than 200 acres with over 33 major buildings, the campus includes modern classrooms, science laboratories, lecture halls, residence halls, apartment complexes, athletic facilities, and landscaped green spaces. Key facilities include the Moody Student Center, Richardson Library, theatre and music performance spaces, fitness and recreation centres, and NCAA Division III athletic complexes. The university has also invested in technological infrastructure, offering campus-wide Wi-Fi access, multiple computer labs, data centres, and advanced learning technologies to support both faculty and students. Recent developments include the renovation of Abilene Hall for engineering and nursing programmes, featuring hands-on laboratories, lecture spaces, computer labs, and student collaboration areas. In addition, the campus has undergone continuous renovation and beautification projects to improve student comfort, dining services, and overall campus experience.