Jackson, LA has a population of 3,795 and is the 7,683rd largest city in the United States. The population density is 850 per sq mi which is 687% higher than the Louisiana average and 838% higher than the national average. The median age in Jackson is 41 which is approximately 12% higher than the Louisiana average of 36. In Jackson, 26% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 82% of Jackson residents were born in Louisiana, 17% were born out of state, 0% were born outside of the United States and 1% were foreign born.