Maine Sales Tax Rates: Knox County
Knox County, Maine Sales Tax Rate 2026 Up to 5.5%
While many counties do levy a countywide sales tax, Knox County does not. The Maine sales tax of 5.5% applies countywide. None of the cities or local governments within Knox County collect additional local sales taxes.
Here's how Knox County's maximum sales tax rate of 5.5% compares to other counties around the United States:
- Higher maximum sales tax than any other Maine counties
- Lower maximum sales tax than 90% of counties nationwide
Tax Rates By City in Knox County, Maine
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Maine has a 5.5% sales tax and Knox County collects an additional N/A, so the minimum sales tax rate in Knox County is 5.5% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Knox County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Rockland | 5.5% | Maine |
| Camden | 5.5% | Maine |
| Warren | 5.5% | Maine |
| Union | 5.5% | Maine |
| Rockport | 5.5% | Maine |
| Thomaston | 5.5% | Maine |
| Tenants Harbor | 5.5% | Maine |
| Owls Head | 5.5% | Maine |
| South Thomaston | 5.5% | Maine |
| Hope | 5.5% | Maine |
| Washington | 5.5% | Maine |
| Cushing | 5.5% | Maine |
| Vinalhaven | 5.5% | Maine |
| Friendship | 5.5% | Maine |
| Spruce Head | 5.5% | Maine |
| Matinicus | 5.5% | Maine |
| Isle Au Haut | 5.5% | Maine |
| Port Clyde | 5.5% | Maine |
| North Haven | 5.5% | Maine |
| West Rockport | 5.5% | Maine |
Maine Sales Tax Rates by Zip Code:
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Knox County, Maine has a maximum sales tax rate of 5.5% and an approximate population of 32,002.
Sales tax rates in Knox County are determined by a single tax jurisdiction, Maine.
Back to Maine Sales Tax Handbook Sales tax rates for Knox County are current as of June 2026
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