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Cos Cob, CT Historical Household and Family Data
ACS 2010-2014 data
Total population: 6,265
| Cos Cob, CT | Connecticut | U.S. | |
| Total Households | 2,276, 100% | 1,356,206 | 116,211,092 |
| Average Household Size | 2.74, see rank | 2.56 | 2.63 |
| 1 Person Households | 533, 23.42%, see rank | 27.92% | 27.57% |
| 2 or More Person Households | 1,743, 76.58%, see rank | 72.08% | 72.43% |
| Family Households (Families) | 1,603, 70.43%, see rank | 66.33% | 66.22% |
| Average Family Size | 3.36, see rank | 3.23 | 3.32 |
| Married-Couple Family | 1,405, 61.73%, see rank | 48.98% | 48.42% |
| Nonfamily Households | 673, 29.57%, see rank | 33.67% | 33.78% |
US Census 2010 data
Total population: 6,770
| Cos Cob, CT | Connecticut | U.S. | |
| Total Households | 2,542, 100% | 1,371,087 | 116,716,292 |
| Average Household Size | 2.65, see rank | 2.52 | 2.58 |
| 1 Person Households | 599, 23.56%, see rank | 27.25% | 26.74% |
| 2 or More Person Households | 1,943, 76.44%, see rank | 72.75% | 73.26% |
| Family Households (Families) | 1,842, 72.46%, see rank | 66.27% | 66.43% |
| Average Family Size | 3.17, see rank | 3.08 | 3.14 |
| Married-Couple Family | 1,525, 59.99%, see rank | 49.01% | 48.42% |
| Nonfamily Households | 700, 27.54%, see rank | 33.73% | 33.57% |
ACS 2008-2012 data
Total population: 6,605
| Cos Cob, CT | Connecticut | U.S. | |
| Total Households | 2,366, 100% | 1,360,184 | 115,226,802 |
| Average Household Size | 2.78, see rank | 2.54 | 2.61 |
| 1 Person Households | 561, 23.71%, see rank | 27.58% | 27.45% |
| 2 or More Person Households | 1,805, 76.29%, see rank | 72.42% | 72.55% |
| Family Households (Families) | 1,680, 71.01%, see rank | 66.73% | 66.47% |
| Average Family Size | 3.37, see rank | 3.19 | 3.29 |
| Married-Couple Family | 1,431, 60.48%, see rank | 49.68% | 48.97% |
| Nonfamily Households | 686, 28.99%, see rank | 33.27% | 33.53% |
ACS 2006-2010 data
Total population: 6,126
| Cos Cob, CT | Connecticut | U.S. | |
| Total Households | 2,359, 100% | 1,359,218 | 114,235,996 |
| Average Household Size | 2.60, see rank | 2.52 | 2.59 |
| 1 Person Households | 596, 25.26%, see rank | 27.19% | 27.24% |
| 2 or More Person Households | 1,763, 74.74%, see rank | 72.81% | 72.76% |
| Family Households (Families) | 1,669, 70.75%, see rank | 67.07% | 66.75% |
| Average Family Size | 3.16, see rank | 3.16 | 3.25 |
| Married-Couple Family | 1,376, 58.33%, see rank | 50.58% | 49.60% |
| Nonfamily Households | 690, 29.25%, see rank | 32.93% | 33.25% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.