Port Barre, LA has a population of 2,030 and is the 10,930th largest city in the United States. The population density is 1,884 per sq mi which is 2024% higher than the Louisiana average and 1979% higher than the national average. The median age in Port Barre is 33 which is approximately 9% lower than the Louisiana average of 36. In Port Barre, 56% of the population over 15 years of age are married, 91% speak English and 0% speak Spanish. 84% of Port Barre residents were born in Louisiana, 16% were born out of state, 0% were born outside of the United States and 0% were foreign born.