AreaVibes reveals the best places to live in Arkansas for 2016 using our Livability Score. The Livability Score for each city in Arkansas is calculated out of 100 from a unique algorithm based on various metrics, including: amenities, cost of living, crime, education, employment, housing and weather. Arkansas has a population of 2,947,036 and a population density of 55.5 people per square mile. The capital city is Little Rock and the largest city in Arkansas is Little Rock. To filter the results, use the dropdown options to sort by population or category.