Mooringsport, LA has a population of 722 and is the 17,271st largest city in the United States. The population density is 622 per sq mi which is 601% higher than the Louisiana average and 586% higher than the national average. The median age in Mooringsport is 47 which is approximately 29% higher than the Louisiana average of 36. In Mooringsport, 65% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 64% of Mooringsport residents were born in Louisiana, 34% were born out of state, 0% were born outside of the United States and 2% were foreign born.