Mercer County Property Tax Inquiry

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All payments must have a payment stub with them, unless you are paying with credit or debit through GTS. Duplicate bills will cost $5.00. You can mail in your request with payment to:

Mercer County Treasurer 100 SE 3rd St, IL 61231

Taxes can be paid with credit or debit card at mercercountyil.org (Department) Treasurer

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