Ouachita Parish in Louisiana has a combined sales tax rate of 10.2% as of 2026. This includes the state rate of 4.45% plus a local county rate of 5.75%. With a population of 159,432, Ouachita Parish represents a significant market for businesses.
For a $500 purchase in Ouachita Parish, the sales tax would be $51.00, bringing the total to $551.00.
Business Compliance in Ouachita 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 159,432, Ouachita Parish offers significant market potential for businesses of all sizes.