Boulder County Colorado Sales Tax Rate 2024 Colorado Sales Tax Rates: Boulder County


Boulder County, Colorado Sales Tax Rate 2024 Up to 9.435%

The Boulder County Sales Tax is 1.185%

A county-wide sales tax rate of 1.185% is applicable to localities in Boulder County, in addition to the 2.9% Colorado sales tax.

Some cities and local governments in Boulder County collect additional local sales taxes, which can be as high as 5.35%.

Here's how Boulder County's maximum sales tax rate of 9.435% compares to other counties around the United States:

  •   Higher maximum sales tax than 83% of Colorado counties
  •   Higher maximum sales tax than 83% of counties nationwide
Last updated June 2024

Tax Rates By City in Boulder County, Colorado

The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Colorado has a 2.9% sales tax and Boulder County collects an additional 1.185%, so the minimum sales tax rate in Boulder County is 4.085% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Boulder County, including all local taxes.

City Sales Tax Rate Tax Jurisdiction
Longmont 8.715% Longmont
Boulder 9.045% Boulder
Louisville 9.055% Lafayette
Longmont 9.045% Boulder
Lafayette 9.055% Lafayette
Boulder 9.055% Lafayette
Lyons 8.685% Lyons
Nederland 9.435% Nederland
Niwot 6.185% Boulder Oldtn Niwot Ld Sp
Jamestown 7.185% Ward
Ward 7.185% Ward
Hygiene 5.185% Boulder
Allenspark 5.185% Boulder
Pinecliffe 5.185% Boulder
Eldorado Springs 5.185% Boulder

Colorado Sales Tax Rates by Zip Code:

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Boulder County, Colorado has a maximum sales tax rate of 9.435% and an approximate population of 242,553.

Sales tax rates in Boulder County are determined by seven different tax jurisdictions, Boulder, Boulder Oldtn Niwot Ld Sp, Lafayette, Longmont, Lyons, Nederland and Ward.

  Back to Colorado Sales Tax Handbook Sales tax rates for Boulder County are current as of June 2024
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