Colorado Sales Tax Rates: Adams County
Adams County, Colorado Sales Tax Rate 2026 Up to 9.75%
A county-wide sales tax rate of 0.75% is applicable to localities in Adams County, in addition to the 2.9% Colorado sales tax.
Some cities and local governments in Adams County collect additional local sales taxes, which can be as high as 6.1%.Here's how Adams County's maximum sales tax rate of 9.75% compares to other counties around the United States:
- Higher maximum sales tax than 87% of Colorado counties
- Higher maximum sales tax than 87% of counties nationwide
Tax Rates By City in Adams 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 Adams County collects an additional 0.75%, so the minimum sales tax rate in Adams County is 3.65% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Adams County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Aurora | 8.5% | Aurora |
| Denver | 9% | Westminster |
| Westminster | 9% | Westminster |
| Denver | 8.75% | Northglenn |
| Brighton | 9.75% | Commerce City |
| Commerce City | 9.75% | Commerce City Plaza |
| Thornton | 8.75% | Northglenn |
| Brighton | 8.5% | Brighton |
| Henderson | 9.75% | Commerce City |
| Strasburg | 3.75% | Adams |
| Watkins | 8.5% | Aurora |
| Eastlake | 8.5% | Thornton |
| Commerce City | 9.75% | Commerce City |
| Dupont | 5.25% | South Adams County Fire Protection District |
Colorado Sales Tax Rates by Zip Code:
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Adams County, Colorado has a maximum sales tax rate of 9.75% and an approximate population of 463,439.
Sales tax rates in Adams County are determined by nine different tax jurisdictions, Adams, Aurora, Brighton, Commerce City, Commerce City Plaza, Northglenn, South Adams County Fire Protection District, Thornton and Westminster.
Back to Colorado Sales Tax Handbook Sales tax rates for Adams County are current as of June 2026
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