Magnolia, MS has a population of 1,987 and is the 11,059th largest city in the United States. The population density is 323 per sq mi which is 425% higher than the Mississippi average and 257% higher than the national average. The median age in Magnolia is 38 which is approximately 3% higher than the Mississippi average of 37. In Magnolia, 43% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 78% of Magnolia residents were born in Mississippi, 20% were born out of state, 1% were born outside of the United States and 1% were foreign born.