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
8231Libraries25,101
823100Libraries8,386
82310000Libraries8,386
823101Specialized libraries753
82310100Specialized libraries184
82310101Law library291
82310102Medical library184
82310103Religious library94
823102College and military post libraries534
82310200College and military post libraries25
82310201College or university library484
82310202Junior college library9
82310203Military post library16
823103General public libraries14,050
82310300General public libraries1,292
82310301Circulating library25
82310302Government library204
82310303Lending library77
82310304Public library12,452
823104Library services1,378
82310400Library services616
82310401Book rental44
82310402Documentation center718