Meetings are held on the 3rd Tuesday of each month except for July. The public is welcome to attend.
2023 Milton-Union Public Library Board of Trustees
| Name | Title/Committee |
| Theresa Cooley | President Audit Committee, Personnel Committee, Staff Liaison |
| Marvin Rue | Vice President Audit Committee, Building/Grounds Committee |
| Marilyn Mitchell | Secretary Audit Committee, Personnel Committee, Staff Liaison |
| Valerie McKay | Audit Committee, Finance Committee |
| D. Jeffrey Sheridan | Audit Committee, Finance Committee, Personnel Committee, Staff Liaison |
| Carol Coate | Audit Committee, Building/Grounds Committee, Staff Liason |
| Rex Maggert | Audit Committee, Building/Grounds Committee |
| Marjorie (Margie) Coate | Fiscal Officer |
| Katy Enright Miller | Library Director |