Addis, LA has a population of 4,420 and is the 6,993rd largest city in the United States. The population density is 1,051 per sq mi which is 1086% higher than the Louisiana average and 1061% higher than the national average. The median age in Addis is 33 which is approximately 8% lower than the Louisiana average of 36. In Addis, 56% of the population over 15 years of age are married, 97% speak English and 0% speak Spanish. 85% of Addis residents were born in Louisiana, 13% were born out of state, 0% were born outside of the United States and 2% were foreign born.