2026 Property Tax Due Dates
Installment 1
Varies (Cook Co.: March 1)
First installment (varies by county)
Installment 2
Varies (Cook Co.: August 1)
Second installment
Penalty: 1.5% per month starting day after dueGrace period: None
Payment Methods
Online, Mail, In-Person
Peoria County Treasurer
Phone
(309) 672-6065How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Peoria County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Illinois
About Peoria County
Peoria County is located in the U.S. state of Illinois. The 2020 United States census listed its population at 181,830. Its county seat is Peoria.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you a fortnight before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.