AreaVibes reveals the best places to live in Connecticut for 2016 using our Livability Score. The Livability Score for each city in Connecticut is calculated out of 100 from a unique algorithm based on various metrics, including: amenities, cost of living, crime, education, employment, housing and weather. Connecticut has a population of 3,572,213 and a population density of 647.7 people per square mile. The capital city is Hartford and the largest city in Connecticut is Bridgeport. To filter the results, use the dropdown options to sort by population or category.