For 2026, the sales tax rate in Cass County, North Dakota stands at 7.5% — a combination of the 5% state rate and 2.5% local levy. The county's 184,827 residents make it an important market in the region.
For a $500 purchase in Cass County, the sales tax would be $37.50, bringing the total to $537.50.
Business Compliance in Cass County
Businesses must register with the North Dakota Office of State Tax Commissioner to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 184,827, Cass County offers significant market potential for businesses of all sizes.