Sales tax in Slope County, North Dakota
The sales tax rate in Slope County, North Dakota is 5%. That is a 5% state rate, with no county rate on top: Slope County levies none, and it is the same at every address in the county.
What is the sales tax rate in Slope County?
| North Dakota state rate | 5% |
|---|---|
| Combined rate | 5% |
Why the rate here is not the whole story
North Dakota charges 5 percent state sales tax, and both cities and counties may add a local sales, use and gross receipts tax on top, so the rate usually changes at a city limit rather than at the county line. Slope County levies no county sales tax of its own, so any address outside a taxing city pays the bare 5 percent state rate. No city in Slope County imposes a local sales tax either, so 5 percent applies at every address in the county. Local rates change only on January 1, April 1, July 1 and October 1, and the department posts each change at least 60 days ahead. Use the department address lookup rather than a single county figure.
How do I find the exact rate for an address in Slope County?
The rate is the same across Slope County, but if you are collecting tax it is worth confirming against the source. Use North Dakota's own lookup. A vendor's calculator is not the state speaking.
Who has to collect sales tax in Slope County?
A seller with a physical presence in North Dakota collects at the rate for the address where the sale takes place. A remote seller collects once it passes North Dakota's economic nexus threshold, which is a separate question from the rate and is covered on our sales tax nexus checker. Marketplace facilitators generally collect on behalf of their sellers.
How does Slope County compare?
See North Dakota sales tax for the statewide picture, including the average local rate and what is exempt. Property tax is a separate tax with separate rules: property tax in Slope County.
Sources
- Slope County rates: North Dakota Office of State Tax Commissioner, Local Taxes by Location Guideline, rates effective July 1, 2026 (content revised August 2026), https://www.tax.nd.gov/sites/www/files/documents/guidelines/business/sales-use/local-taxes-by-location.pdf, cross-checked line by line against the department Q3 2026 local tax rate file at https://www.tax.nd.gov/sites/default/files/documents/Sales%20and%20Use/2026-q3-rate-table.csv
- Collected and verified September 9, 2026. Confidence: P on the rate components, S on the range (P read on a primary agency page, S strong but indirect, U unverified).