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New Haven County Historical Household and Family Data
ACS 2010-2014 data
Total population: 863,148
| New Haven County | Connecticut | U.S. | |
| Total Households | 327,086, 100% | 1,356,206 | 116,211,092 |
| Average Household Size | 2.55, see rank | 2.56 | 2.63 |
| 1 Person Households | 98,982, 30.26%, see rank | 27.92% | 27.57% |
| 2 or More Person Households | 228,104, 69.74%, see rank | 72.08% | 72.43% |
| Family Households (Families) | 209,278, 63.98%, see rank | 66.33% | 66.22% |
| Average Family Size | 3.29, see rank | 3.23 | 3.32 |
| Married-Couple Family | 148,754, 45.48%, see rank | 48.98% | 48.42% |
| Nonfamily Households | 117,808, 36.02%, see rank | 33.67% | 33.78% |
US Census 2010 data
Total population: 862,477
| New Haven County | Connecticut | U.S. | |
| Total Households | 334,502, 100% | 1,371,087 | 116,716,292 |
| Average Household Size | 2.49, see rank | 2.52 | 2.58 |
| 1 Person Households | 96,518, 28.85%, see rank | 27.25% | 26.74% |
| 2 or More Person Households | 237,984, 71.15%, see rank | 72.75% | 73.26% |
| Family Households (Families) | 215,749, 64.50%, see rank | 66.27% | 66.43% |
| Average Family Size | 3.09, see rank | 3.08 | 3.14 |
| Married-Couple Family | 152,067, 45.46%, see rank | 49.01% | 48.42% |
| Nonfamily Households | 118,753, 35.50%, see rank | 33.73% | 33.57% |
ACS 2008-2012 data
Total population: 860,995
| New Haven County | Connecticut | U.S. | |
| Total Households | 329,956, 100% | 1,360,184 | 115,226,802 |
| Average Household Size | 2.52, see rank | 2.54 | 2.61 |
| 1 Person Households | 95,733, 29.01%, see rank | 27.58% | 27.45% |
| 2 or More Person Households | 234,223, 70.99%, see rank | 72.42% | 72.55% |
| Family Households (Families) | 214,719, 65.08%, see rank | 66.73% | 66.47% |
| Average Family Size | 3.22, see rank | 3.19 | 3.29 |
| Married-Couple Family | 152,966, 46.36%, see rank | 49.68% | 48.97% |
| Nonfamily Households | 115,237, 34.92%, see rank | 33.27% | 33.53% |
ACS 2006-2010 data
Total population: 856,688
| New Haven County | Connecticut | U.S. | |
| Total Households | 330,785, 100% | 1,359,218 | 114,235,996 |
| Average Household Size | 2.51, see rank | 2.52 | 2.59 |
| 1 Person Households | 93,926, 28.39%, see rank | 27.19% | 27.24% |
| 2 or More Person Households | 236,859, 71.61%, see rank | 72.81% | 72.76% |
| Family Households (Families) | 217,115, 65.64%, see rank | 67.07% | 66.75% |
| Average Family Size | 3.18, see rank | 3.16 | 3.25 |
| Married-Couple Family | 156,740, 47.38%, see rank | 50.58% | 49.60% |
| Nonfamily Households | 113,670, 34.36%, see rank | 32.93% | 33.25% |
ACS 2005-2009 data
Total population: 843,532
| New Haven County | Connecticut | U.S. | |
| Total Households | 322,752, 100% | 1,327,482 | 112,611,029 |
| Average Household Size | 2.53, see rank | 2.55 | 2.60 |
| 1 Person Households | 91,442, 28.33%, see rank | 27.07% | 27.32% |
| 2 or More Person Households | 231,310, 71.67%, see rank | 72.93% | 72.68% |
| Family Households (Families) | 212,204, 65.75%, see rank | 67.24% | 66.67% |
| Average Family Size | 3.21, see rank | 3.19 | 3.27 |
| Married-Couple Family | 154,870, 47.98%, see rank | 50.99% | 49.71% |
| Nonfamily Households | 110,548, 34.25%, see rank | 32.76% | 33.33% |
US Census 2000 data
Total population: 824,008
| New Haven County | Connecticut | U.S. | |
| Total Households | 319,040, 100% | 1,301,670 | 105,480,101 |
| Average Household Size | 2.50, see rank | 2.53 | 2.59 |
| 1 Person Households | 90,086, 28.24%, see rank | 26.44% | 25.82% |
| 2 or More Person Households | 228,954, 71.76%, see rank | 73.56% | 74.18% |
| Family Households (Families) | 210,687, 66.04%, see rank | 67.70% | 68.06% |
| Average Family Size | 3.08, see rank | 3.08 | 3.14 |
| Married-Couple Family | 155,005, 48.58%, see rank | 51.97% | 51.66% |
| Nonfamily Households | 108,353, 33.96%, see rank | 32.30% | 31.94% |
* 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.