Avondale, LA has a population of 5,123 and is the 6,354th largest city in the United States. The population density is 922 per sq mi which is 754% higher than the Louisiana average and 918% higher than the national average. The median age in Avondale is 34 which is approximately 7% lower than the Louisiana average of 36. In Avondale, 51% of the population over 15 years of age are married, 85% speak English and 4% speak Spanish. 75% of Avondale residents were born in Louisiana, 14% were born out of state, 1% were born outside of the United States and 10% were foreign born.