Elizabeth, LA has a population of 502 and is the 19,505th largest city in the United States. The population density is 305 per sq mi which is 244% higher than the Louisiana average and 237% higher than the national average. The median age in Elizabeth is 30 which is approximately 18% lower than the Louisiana average of 36. In Elizabeth, 60% of the population over 15 years of age are married, 96% speak English and 1% speak Spanish. 84% of Elizabeth residents were born in Louisiana, 14% were born out of state, 1% were born outside of the United States and 0% were foreign born.