Lake County History Archives

How to Use the Archives and Library

The Lake County History Archives Library offers books on Lake County history, towns, Native Americans, census records, and historic plat maps (1861 - 1989). No appointment is necessary to visit the Archives' Library. It is open Monday through Friday from 11 a.m. until 4:30 p.m.

Usage Fees

Non-profit use is billed at $18 per hour. The first hour of research is free for residents of Lake County (IL), and each additional hour of research is billed at $18 per hour.

For-profit use is billed at $25 per hour when the work begins.

Postage is added to all orders mailed; express services (Federal Express, etc.) are used only when the researcher's account number is provided for direct billing.

Friends of the Lake County Discovery Museum receive a 10% discount on all research services.

The Archives Building is open Monday through Friday from 11 a.m. to 4:30 p.m. for use of the library. Research is by appointment Monday through Friday, 9 a.m. to noon and 1 to 4:30 p.m. Telephone and mail research requests are encouraged.