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Montana vs Oregon Sales Tax

Montana and Oregon have the same 0% combined average. Compare state, average local, maximum local, and combined rates—plus the dollar difference on common purchases.

By Sammy S. · Founder · AuthorUpdated for 2026

Lower combined rate

Montana and Oregon are tied

Both average 0% combined.

Side-by-side rate scoreboard

Tax on common purchase amounts

General taxable purchase estimates using each state's population-weighted combined average.

$100.00 purchase

Montana$0.00
Oregon$0.00

Difference: $0.00

$500.00 purchase

Montana$0.00
Oregon$0.00

Difference: $0.00

$1,000.00 purchase

Montana$0.00
Oregon$0.00

Difference: $0.00

$5,000.00 purchase

Montana$0.00
Oregon$0.00

Difference: $0.00

Annual taxable-spending comparison

Illustrative tax at different levels of pre-tax spending. Household exemptions and local rates can change actual totals.

$5,000 taxable spending

Montana$0.00
Oregon$0.00

Gap: $0.00

$10,000 taxable spending

Montana$0.00
Oregon$0.00

Gap: $0.00

$20,000 taxable spending

Montana$0.00
Oregon$0.00

Gap: $0.00

$40,000 taxable spending

Montana$0.00
Oregon$0.00

Gap: $0.00

What the rate difference means

The combined averages are tied, so the practical difference depends on city rates and what each state taxes or exempts.

Why your checkout rate may differ

Local jurisdictions, delivery addresses, sourcing rules, tax holidays, and exemptions for groceries, medicine, clothing, vehicles, services, or digital products can change the final amount.

Montana vs Oregon sales tax FAQs

Montana and Oregon have the same 0% population-weighted combined rate. Montana averages 0% and Oregon averages 0%.

Montana's statewide general rate is 0%. Oregon's statewide general rate is 0%. Local taxes can change the combined checkout rate.

At the statewide combined averages, a $1,000 general taxable purchase has the same estimated tax in Montana and Oregon.

No. These are population-weighted statewide combined averages. City, county, special-district, sourcing, and product-taxability rules can produce a different transaction rate.

Not necessarily. Grocery exemptions and reduced rates are separate from the general rate comparison. Prepared food and restaurant meals may also follow different rules.

Their average combined general rates are tied, so local rates and product exemptions decide the practical difference.

Estimates use population-weighted combined general rates as of July 1, 2026. Verify the exact address and product rate with the relevant revenue agency.