Killona, LA has a population of 788 and is the 16,711th largest city in the United States. The population density is 988 per sq mi which is 1014% higher than the Louisiana average and 991% higher than the national average. The median age in Killona is 22 which is approximately 40% lower than the Louisiana average of 36. In Killona, 20% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Killona residents were born in Louisiana, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.