Industry: 8231—Libraries
Establishments primarily engaged in providing library services, including the circulation of books and other materials for reading, study, and reference. Establishments primarily engaged in operating motion picture film libraries are classified in Industry 7829.

Centers for documentationLibraries, printed matter
Circulating librariesRental of books
Lending libraries
Codes Titles Number of US Businesses
8231Libraries25,025
823100Libraries8,333
82310000Libraries8,333
823101Specialized libraries758
82310100Specialized libraries185
82310101Law library292
82310102Medical library187
82310103Religious library94
823102College and military post libraries532
82310200College and military post libraries25
82310201College or university library482
82310202Junior college library9
82310203Military post library16
823103General public libraries14,021
82310300General public libraries1,283
82310301Circulating library25
82310302Government library199
82310303Lending library78
82310304Public library12,436
823104Library services1,381
82310400Library services617
82310401Book rental42
82310402Documentation center722