Library system of San Joaquin County includes Lodi Public Library and Stockton - San Joaquin County Public Library.

Lodi public library:
The Lodi Public library currently contains approximately 150,000 books as well as collections of audio-books, videos, music CDs and CD-ROM software. The library subscribes to 235 magazines and 12 newspapers. About 52,000 registered borrowers check out about 340,000 items annually.The library is currently open to the public 64 hours per week with a staff of 15 full time employees, including 5 professional librarians and a literacy specialist, and 8 part-time employees.
Contact information:
Lodi Public Library,
201 W. Locust St.,
Lodi, CA.
Phone: (209) 333-5566.

Stockton – San Joaquin County Public Library:
Stockton - consists of 9 branches plus a bookmobile serving Stockton, Tracy, Manteca, Ripon, Escalon, Linden, and Thornton.

San Joaquin County Libraries:

Escalon Branch Library
1540 Second St., Escalon, Ca. 95230
Phone: (209) 838-2478

Linden Branch Library
19012 E. Main St., Linden, Ca. 95236
Phone: (209) 887-3370

Manteca Branch Library
320 W. Center St., Manteca, Ca. 95336
Phone: (209) 825-2380

Ripon Branch Library
430 W. Main St., Ripon, Ca. 95336
Phone: (209) 599-3326

Thornton Branch Library
26341 N. Thornton Rd., Thornton, Ca. 95686
Phone: (209) 794-2621

Tracy Branch Library
20 E. Eaton Ave., Tracy, Ca. 95376
Phone: (209) 831-4250