Melville, LA has a population of 1,357 and is the 13,289th largest city in the United States. The population density is 1,081 per sq mi which is 1119% higher than the Louisiana average and 1093% higher than the national average. The median age in Melville is 29 which is approximately 19% lower than the Louisiana average of 36. In Melville, 36% of the population over 15 years of age are married, 93% speak English and 5% speak Spanish. 92% of Melville residents were born in Louisiana, 5% were born out of state, 1% were born outside of the United States and 1% were foreign born.