- Danbury is a city located in Fairfield County, Connecticut, United States. It is situated in the southwestern part of the state and is approximately 70 miles northeast of New York City. With a population of around 85,000, Danbury is the seventh-largest city in Connecticut. It is known for its rich history, diverse culture, and natural beauty. The city offers a variety of attractions, including museums, parks, shopping centers, and a vibrant downtown area. Danbury is also home to Western Connecticut State University, a public university that attracts students from all over the region.