Mize, MS has a population of 221 and is the 23,989th largest city in the United States. The population density is 96 per sq mi which is 55% higher than the Mississippi average and 6% higher than the national average. The median age in Mize is 33 which is approximately 9% lower than the Mississippi average of 37. In Mize, 67% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 81% of Mize residents were born in Mississippi, 10% were born out of state, 5% were born outside of the United States and 3% were foreign born.