The total population of Melville is estimated to be 729 with 333 males (45.68%) and 396 females (54.32%). There are 63 more females than males in Melville.
In 2022, the population of Melville was 751, a 0.66% decrease year-by-year from 2021. Previously, in 2021, Melville's population was 756, a decline of 0.13% compared to a population of 757 in 2020.
The median age in Melville, LA is 40.5, as per 2021 ACS 5-Year Estimates. Of the total population, 22.95% were under the age of 15, 12.28% aged 15 to 29, 43.59% aged 30 to 64, 20.64% aged 65 to 84, and 0.53% were 85 years of age and older.