Danbury is a city in Fairfield County, Connecticut, United States, located approximately 50 miles (80 km) northeast of New York City. Danbury's population as of 2020 was 86,518. It is the third-largest city in Western Connecticut, and the seventh-largest city in Connecticut. Located within the heart of the Housatonic Valley region, the city is a commercial hub of western Connecticut, an outer-ring commuter suburb of New York City, and an historic summer colony of the New York metropolitan area and New England.