Connecticut has core based statistical areas based on both counties (metropolitan statistical areas, micropolitan statistical areas, and combined statistical areas) and county subdivisions (metropolitan New England city and town areas (NECTAs), micropolitan NECTAs, and combined NECTAs).
Connecticut has four metropolitan statistical areas, two micropolitan statistical areas, two combined statistical areas, eight metropolitan NECTAs, three micropolitan NECTAs, and four combined NECTAs.
|Hartford-East Hartford-Middletown, CT Metropolitan Statistical Area||1,220,195|
|Worcester, MA-CT Metropolitan Statistical Area||965,287|
|Bridgeport-Stamford-Norwalk, CT Metropolitan Statistical Area||943,780|
|New Haven-Milford, CT Metropolitan Statistical Area||863,305|
|Norwich-New London, CT Metropolitan Statistical Area||270,670|
|Torrington, CT Micropolitan Statistical Area||184,929|