Cos Cob is located in Fairfield County, Connecticut. There are roughly 6,840 residents, living in 2,550 households. The average temperature for Cos Cob this time of the year is low of 49F and high of 70F. On average, Cos Cob gets about 4.72 inches of precipitation in May. Most residents are home owners (71%), have a post secondary degree (61%) and are single, no kids (33%).
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