New Canaan is a town in Fairfield County, Connecticut, United States. The population was 20,622 according to the 2020 census. The town is part of the Western Connecticut Planning Region.

The Gold Coast, also known as Lower Fairfield County or Southwestern Connecticut not limited to the Connecticut panhandle, is an affluent part of Western Connecticut that includes the entire southern portion of Fairfield County as defined by the U.S. Census Bureau, Super-Public Use Microdata Area (Super-PUMA) Region 09600. The area is about 50 miles (80 km) northeast of New York City, and is home to many wealthy Manhattan business executives. Parts of the region are served by the Western Connecticut Council of Governments.