Palmetto, LA has a population of 135 and is the 26,055th largest city in the United States. The population density is 152 per sq mi which is 72% higher than the Louisiana average and 68% higher than the national average. The median age in Palmetto is 56 which is approximately 53% higher than the Louisiana average of 36. In Palmetto, 53% of the population over 15 years of age are married, 90% speak English and 0% speak Spanish. 99% of Palmetto residents were born in Louisiana, 1% were born out of state, 0% were born outside of the United States and 0% were foreign born.