AreaVibes reveals the best places to live in Mississippi for 2016 using our Livability Score. The Livability Score for each city in Mississippi is calculated out of 100 from a unique algorithm based on various metrics, including: amenities, cost of living, crime, education, employment, housing and weather. Mississippi has a population of 2,984,345 and a population density of 61.6 people per square mile. The capital city is Jackson and the largest city in Mississippi is Jackson. To filter the results, use the dropdown options to sort by population or category.