My Local Sales Tax
Boulder County, Colorado Sales Tax Rate
| Taxing Jurisdiction | Rate |
|---|---|
| Colorado State | 2.9% |
| Boulder County | 1.19% |
| Max City / Locality Rate | 5.35% |
| Combined Sales Tax: | 9.44% |
Components of the 9.44% Boulder County sales tax
The county-level sales tax rate in Boulder County is 1.19%, and all sales in Boulder County are also subject to the 2.9% Colorado sales tax. Cities, towns, and special districts within Boulder County collect additional local sales taxes, with a maximum sales tax rate in Boulder County of 9.44%. The total sales tax rates for all fifteen cities and towns within Boulder County are listed in the table below.
| City Name | Tax Rate | Population |
|---|---|---|
| Longmont, CO † | 8.72% | 70,600 |
| Boulder, CO † | 9.05% | 68,900 |
| Louisville, CO | 9.06% | 27,100 |
| Longmont, CO | 9.05% | 26,400 |
| Lafayette, CO † | 9.06% | 22,400 |
| Boulder, CO | 9.06% | 19,100 |
| Lyons, CO † | 8.69% | 4,200 |
| Nederland, CO † | 9.44% | 3,100 |
| Niwot, CO | 6.19% | 600 |
| Jamestown, CO | 7.19% | 500 |
| Ward, CO † | 7.19% | 0 |
| Hygiene, CO | 5.19% | 0 |
| Allenspark, CO | 5.19% | 0 |
| Pinecliffe, CO | 5.19% | 0 |
| Eldorado Springs, CO | 5.19% | 0 |
Boulder County Sales Tax Calculator
Sales Tax:
$9.44
Purchase Price + Tax:
$109.44
Protip: Print out a free 9.44% sales tax table for quick sales tax calculations!
Colorado Sales Tax Lookup By Zip Code
Look up sales tax rates in Colorado by ZIP code with the tool below. Note that ZIP codes in Colorado may cross multiple local sales tax jurisdictions.
Get downloadable Colorado sales tax rate spreadsheets for your business