Darien is a city located in Fairfield CountyConnecticut. Darien has a 2020 population of 21,742. Darien is currently declining at a rate of 0.00% annually and its population has increased by 4.87% since the most recent census, which recorded a population of 20,732 in 2010.
The average household income in Darien is $365,528 with a poverty rate of NaN%. The median rental costs in recent years comes to $2,469 per month, and the median house value is $1.47 Mn. The median age in Darien is 40.1 years, 38.6 years for males, and 41.3 years for females.
The current population of Darien, Connecticut is 21,742 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 21,742.The last official US Census in 2010 recorded the population at 20,732.