Hickory, MS has a population of 589 and is the 18,550th largest city in the United States. The population density is 630 per sq mi which is 921% higher than the Mississippi average and 595% higher than the national average. The median age in Hickory is 33 which is approximately 10% lower than the Mississippi average of 37. In Hickory, 42% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 94% of Hickory residents were born in Mississippi, 5% were born out of state, 0% were born outside of the United States and 1% were foreign born.