Arnaudville, LA has a population of 1,337 and is the 13,377th largest city in the United States. The population density is 1,927 per sq mi which is 2073% higher than the Louisiana average and 2027% higher than the national average. The median age in Arnaudville is 30 which is approximately 18% lower than the Louisiana average of 36. In Arnaudville, 59% of the population over 15 years of age are married, 87% speak English and 0% speak Spanish. 95% of Arnaudville residents were born in Louisiana, 5% were born out of state, 0% were born outside of the United States and 0% were foreign born.