Sales tax in Ontonagon County, Michigan
The sales tax rate in Ontonagon County, Michigan is 6%. That is a 6% state rate, with no county rate on top: Ontonagon County levies none, and it is the same at every address in the county. That rate was read from Michigan's own published schedule and checked on August 30, 2026.
What is the sales tax rate in Ontonagon County?
| Michigan state rate | 6% |
|---|---|
| Combined rate | 6% |
How much sales tax is that on a purchase in Ontonagon County?
At 6%, a $100 purchase carries $6.00 in sales tax and a $1,000 purchase $60.00. That is general merchandise; Michigan taxes some categories, often groceries, differently, as the note below explains.
Every county in Michigan has the same 6% floor. See every Michigan county.
Sales tax in counties next to Ontonagon County
Ontonagon County borders 6 counties, 2 of them in another state. The lowest rate next door is 5.5% in Ashland County, WI, which is $5.00 less on a $1,000 purchase than Ontonagon County's rate.
| County | Combined sales tax |
|---|---|
| Cook County, MN | 8.375% |
| Gogebic County, MI | 6% |
| Houghton County, MI | 6% |
| Iron County, MI | 6% |
| Keweenaw County, MI | 6% |
| Ontonagon County, MI (this county) | 6% |
| Ashland County, WI | 5.5% |
Why the rate here is not the whole story
No local sales taxes anywhere in the state; groceries and prescription drugs are exempt.
How do I find the exact rate for an address in Ontonagon County?
Use Michigan's own address lookup.
Who has to collect sales tax in Ontonagon County?
Any seller with a physical presence in Michigan collects at the rate for the address of the sale; a remote seller does once it passes Michigan's economic nexus threshold. Michigan sales tax covers the statewide rules and what is exempt.
Work out your own numbers
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Sales tax calculator
Tax on a specific purchase at this county's rate, and the total you will actually pay.
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Do you have to collect?
Whether your sales into Michigan cross its economic nexus threshold. A different question from the rate.
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Property tax in Ontonagon County
The other local tax: effective rate and median bill for this county.
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Sales tax by county
Every US county, and how Michigan compares with the rest of the country.
Sources
- Ontonagon County rates: Michigan Department of Treasury / Tax Foundation, State and Local Sales Tax Rates (Jan. 2026)
- Collected and verified August 30, 2026. Confidence: S on the rate components (P read on a primary agency page, S strong but indirect, U unverified).