Summit County Sales Tax Rates for 2023

Summit County in Colorado has a tax rate of 6.38% for 2023, this includes the Colorado Sales Tax Rate of 2.9% and Local Sales Tax Rates in Summit County totaling 3.48%. You can find more tax rates and allowances for Summit County and Colorado in the 2023 Colorado Tax Tables.

How Does Sales Tax in Summit County compare to the rest of Colorado?

Summit County Sales Rates: This image illustrates a calculator robot calculating Summit County sales tax manually using the Summit County Sales Tax Formula. You can use this information to calculate Summit County Sales Tax manually or use the Summit County Sales Tax Calculator to calculate sales tax online.

Colorado has 204 seperate areas each with their own Sales Tax rates with the lowest Sales Tax rate in Colorado being 2.9% and the highest Sales Tax rate in Colorado at 10%.

How is Sales Tax Calculated in Summit County, Colorado

Sales Tax in Summit County, Colorado is calculated using the following formula:

Sales Tax Rate = s + c + l + sr


  • s = Colorado State Sales Tax Rate (2.9%)
  • c = County Sales Tax Rate
  • l = Local Sales Tax Rate
  • sr = Special Sales Tax Rate

You can calculate Sales Tax manually using the formula or use the Summit County Sales Tax Calculator or compare Sales Tax between different locations within Colorado using the Colorado State Sales Tax Comparison Calculator.

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