Businesses operating in Calcasieu Parish, Louisiana face a combined sales tax rate of 9.45% in 2026. The 5% local rate is added to the 4.45% state base. Home to 203,436 residents, the county offers substantial commercial opportunities.
For a $500 purchase in Calcasieu Parish, the sales tax would be $47.25, bringing the total to $547.25.
Business Compliance in Calcasieu Parish
Businesses must register with the Louisiana Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 203,436, Calcasieu Parish offers significant market potential for businesses of all sizes.