When are property taxes due in Minidoka County, Idaho?

Minidoka County property taxes are due December 20. A second installment is due June 20. This deadline applies to all counties in Idaho.

What is the penalty for late property tax payment in Minidoka County, Idaho?

The late payment penalty in Minidoka County is 2% + 1% per month interest.

How do I pay Minidoka County, Idaho property taxes?

You can pay Minidoka County property taxes by mail to the county treasurer.

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Minidoka County Property Tax Due Date

Idaho

(208) 436-7188

2026 Property Tax Due Dates

Official Source

Installment 1

December 20

Full payment or first half

Installment 2

June 20

Second half (if split)

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Penalty: 2% + 1% per month interestGrace period: None

Payment Methods

Online, Mail, In-Person

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Idaho Laws That May Affect Your Property Taxes

Idaho recently changed homestead exemption rules and property assessment methods — effective January 1, 2026. See which bills passed and what they mean for your bill.

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Minidoka County Treasurer

Phone

(208) 436-7188

Office Address

715 G Street
Rupert, ID 83350

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Mailing Address

P.O. Box 368, Rupert, ID 83350

Office Hours

Mon-Fri 8:30am - 5pm

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Minidoka County Treasurer — P.O. Box 368, Rupert, ID 83350

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In Person

Visit the Treasurer's office — 715 G Street, Rupert ID 83350, Mon-Fri 8:30am - 5pm

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Other Counties in Idaho

Ada Adams Bannock Bear Lake Benewah Bingham Blaine Boise

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About Minidoka County

Minidoka County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 21,613. The county seat and largest city is Rupert.

Source: Wikipedia — content available under CC BY-SA 4.0

Related Resources

CountyRollCounty Office Directory

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Property Tax FAQ Tax Calendar

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.