Illinois Regional Archives Depository (IRAD) System Illinois State Archives

Peoria County

Peoria County Courthouse Contact Information
Peoria County Courthouse
324 Main St.
Peoria, IL 61602
309-672-6059 – County Clerk
309-672-6000 – Circuit Clerk
309-672-6090 – Recorder

IRAD Depository
University Library
Western Illinois University
1 University Circle
Macomb, IL 61455-1390


Origin of the name of the county

Present area, or parts of it, formerly included in

County Seats

History of county governing board

Township Government

Township Names

Township Map

Pertinent Databases