Darien is a town located in Fairfield County, in the state of Connecticut (CT), United States. Nestled in the New England division of the North-east region, it covers an area of 12.9 square miles (33.0 km²) and sits at an elevation of 60 ft. With a population of approximately 19,607 residents, Darien offers a vibrant community life.
The town's population is composed of about 49.04% males and 50.96% females, and it has a population density of 519.92 people per square mile (586.85/km²). Darien lies at a latitude of 41.08 and a longitude of -73.48, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (4.2%), followed by English (21.6%), German (16.6%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 06820.