The board of nine trustees are appointed by the mayor of Columbia. Each serves a three-year term and may be reappointed at the mayor’s discretion.

The board can be reached at libraryboard@columbialibrary.org or by postal mail in care of the Columbia Public Library. Email is checked by the library board president at least once a month, before library board of trustees meetings. See the library’s mission and roles, bylaws, policies, and procedures here.