Darien is a town in Fairfield County, Connecticut, United States. A relatively small community on Connecticut's "Gold Coast", the population was 20,732 at the 2010 census. Darien was listed at #9 at CNN Money's list of "top-earning towns" in the United States as of 2011. Situated between the small cities of Norwalk and Stamford, the town is a bedroom community with relatively few office buildings. Most workers commute to the adjacent cities, and many also work in New York City.