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Welcome to Whiteside County, Illinois

VOTE BY MAIL BALLOT APPLICATIONS WILL BE MAILED TO ALL REGISTERED VOTERS PRIOR TO AUGUST 1, 2020.  Please contact the Whiteside County Clerk's office at 815-772-5189 with any questions.


Tax Notice: For those that are financially affected by the COVID-19 pandemic, the Whiteside County Board passed a resolution to waive the 1st installment of penalty through July 15th. Starting July 16th, the penalty will be retroactive from the June 12th due date. Please contact the Treasurer's office at 815-772-5196 with any questions.


Notice: US Census Bureau workers will be in Whiteside County beginning June 1, 2020. They will be hanging packets on door knobs for those that have not filled out the Census 2020 form and those that are using a PO Box for their mailing address. Workers will be wearing Census 2020 shirts and required facial coverings. They will not be physically knocking on doors or having any face to face contact with citizens.


The Illinois Department of Public Health has a statewide COVID-19 hotline and website to answer any questions from the public or to report a suspected case: call 1-800-889-3931                                                         

Whiteside County Coronavirus Response Information Hub Site 

Please note that the above link will take you away from the Whiteside County Web Site.

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Solar Farm Permit Information and Applications


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