The brick Buffalo Township Public Library sits atop a limestone foundation and features a ceramic tile roof.

[2] The library was constructed between 1903 and 1904 and was built by the firm of Greig & Baum.

[2] The Classical Revival building was designed by the architectural firm of Patton and Smith.

[2] Patton and Miller designed over 100 Carnegie libraries nationwide, including 15 in Illinois.

[3] The Buffalo Township Public Library was listed on the National Register of Historic Places on November 7, 1995, for its significance in the area of education.