Nicholson, MS has a population of 2,775 and is the 9,195th largest city in the United States. The population density is 451 per sq mi which is 632% higher than the Mississippi average and 398% higher than the national average. The median age in Nicholson is 31 which is approximately 14% lower than the Mississippi average of 37. In Nicholson, 53% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 44% of Nicholson residents were born in Mississippi, 55% were born out of state, 0% were born outside of the United States and 1% were foreign born.