Jackson, MS has a population of 172,039 and is the 147th largest city in the United States. The population density is 1,549 per sq mi which is 2414% higher than the Mississippi average and 1610% higher than the national average. The median age in Jackson is 32 which is approximately 13% lower than the Mississippi average of 37. In Jackson, 38% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 82% of Jackson residents were born in Mississippi, 16% were born out of state, 1% were born outside of the United States and 1% were foreign born.