About Darien, CTDarien is located in Connecticut. Darien, Connecticut has a population of 21,539. Darien is more family-centric than the surrounding county with 51% households with children. The county percentage for households with children is 33%. The median household income in Darien, Connecticut is $180,776. The median household income for the surrounding county is $88,196 compared to the national median of $57,525. The median age of people living in Darien is 41 years. Darien WeatherThe average high temperature in July is 85.4 degrees, with an average low temperature in January of 19.2 degrees. The annual precipitation is 52.79. Darien MapDarien real estate offices
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