• Alice Curtis Desmond & Hamilton Fish Library
• Amenia Free Library
• Beekman Library
• Blodgett Memorial Library
• Brewster Public Library
• Cairo Public Library
• Catskill Public Library
  • Palenville Branch
• Chatham Public Library
  • Canaan Branch
• Claverack Free Library
• Clinton Community Library
• Dover Plains Library
• D.R. Evarts Library
• East Fishkill Public Library District
• Elting Memorial Library
• Germantown Library
• Greenville Public Library
• Heermance Memorial Library
• Highland Public Library
  • Clintondale branch
• Howland Public Library
• Hudson Area Association Library
• Hunter Public Library
• Hurley Library
• Hyde Park Free Library
• Julia L. Butterfield Memorial Library
• Kent Public Library
• Kinderhook Memorial Library
• Kingston Library
• LaGrange Association Library
• Livingston Free Library
• Mahopac Public Library
• Marlboro Free Library
• Mid-Hudson Library System
• Millbrook Free Library
• Mountain Top Library
• New Lebanon Library
• North Chatham Free Library
• NorthEast-Millerton Library
• Patterson Library
• Pawling Free Library
• Philmont Public Library
• Phoenicia Library
• Morton Memorial Library (Pine Hill)
• Pine Plains Free Library
• Plattekill Public Library
• Pleasant Valley Library
• Poughkeepsie Public Library District
  • Adriance Memorial Library – PPLD
  • Boardman Road Branch Library – PPLD
  • Sadie Peterson Delaney Branch-PPLD
  • PPLD Bookmobile
• Red Hook Public Library
• Reed Memorial Library
• Roeliff Jansen Community Library
• Rosendale Library
• Sarah Hull Hallock Free Library
• Saugerties Public Library
• Staatsburg Library
• Stanford Free Library
• Starr Library (Rhinebeck)
• Stone Ridge Library
  
• Tivoli Free Library
• Town of Esopus Library
• Town of Ulster Public Library
• Valatie Free Library
• Grinnell Public Library District
• West Hurley Public Library
• Olive Free Library Association
• Windham Public Library
• Woodstock Public Library District

Mid-Hudson Library System Totals