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Merrimack County Historical Household and Family Data
ACS 2010-2014 data
Total population: 146,880
| Merrimack County | New Hampshire | U.S. | |
| Total Households | 57,040, 100% | 519,580 | 116,211,092 |
| Average Household Size | 2.46, see rank | 2.46 | 2.63 |
| 1 Person Households | 15,073, 26.43%, see rank | 25.40% | 27.57% |
| 2 or More Person Households | 41,967, 73.57%, see rank | 74.60% | 72.43% |
| Family Households (Families) | 37,907, 66.46%, see rank | 66.83% | 66.22% |
| Average Family Size | 3.06, see rank | 3.05 | 3.32 |
| Married-Couple Family | 30,180, 52.91%, see rank | 52.95% | 48.42% |
| Nonfamily Households | 19,133, 33.54%, see rank | 33.17% | 33.78% |
US Census 2010 data
Total population: 146,445
| Merrimack County | New Hampshire | U.S. | |
| Total Households | 57,069, 100% | 518,973 | 116,716,292 |
| Average Household Size | 2.46, see rank | 2.46 | 2.58 |
| 1 Person Households | 14,489, 25.39%, see rank | 25.64% | 26.74% |
| 2 or More Person Households | 42,580, 74.61%, see rank | 74.36% | 73.26% |
| Family Households (Families) | 38,104, 66.77%, see rank | 66.32% | 66.43% |
| Average Family Size | 2.94, see rank | 2.96 | 3.14 |
| Married-Couple Family | 29,923, 52.43%, see rank | 52.15% | 48.42% |
| Nonfamily Households | 18,965, 33.23%, see rank | 33.68% | 33.57% |
ACS 2008-2012 data
Total population: 146,742
| Merrimack County | New Hampshire | U.S. | |
| Total Households | 57,224, 100% | 516,845 | 115,226,802 |
| Average Household Size | 2.45, see rank | 2.47 | 2.61 |
| 1 Person Households | 14,614, 25.54%, see rank | 25.24% | 27.45% |
| 2 or More Person Households | 42,610, 74.46%, see rank | 74.76% | 72.55% |
| Family Households (Families) | 38,335, 66.99%, see rank | 67.19% | 66.47% |
| Average Family Size | 3.03, see rank | 3.05 | 3.29 |
| Married-Couple Family | 30,694, 53.64%, see rank | 53.67% | 48.97% |
| Nonfamily Households | 18,889, 33.01%, see rank | 32.81% | 33.53% |
ACS 2006-2010 data
Total population: 146,785
| Merrimack County | New Hampshire | U.S. | |
| Total Households | 56,948, 100% | 513,804 | 114,235,996 |
| Average Household Size | 2.46, see rank | 2.48 | 2.59 |
| 1 Person Households | 14,324, 25.15%, see rank | 25.00% | 27.24% |
| 2 or More Person Households | 42,624, 74.85%, see rank | 75.00% | 72.76% |
| Family Households (Families) | 38,336, 67.32%, see rank | 67.37% | 66.75% |
| Average Family Size | 3.03, see rank | 3.05 | 3.25 |
| Married-Couple Family | 30,668, 53.85%, see rank | 54.16% | 49.60% |
| Nonfamily Households | 18,612, 32.68%, see rank | 32.63% | 33.25% |
ACS 2005-2009 data
Total population: 148,156
| Merrimack County | New Hampshire | U.S. | |
| Total Households | 55,760, 100% | 502,201 | 112,611,029 |
| Average Household Size | 2.53, see rank | 2.54 | 2.60 |
| 1 Person Households | 13,752, 24.66%, see rank | 24.82% | 27.32% |
| 2 or More Person Households | 42,008, 75.34%, see rank | 75.18% | 72.68% |
| Family Households (Families) | 37,969, 68.09%, see rank | 67.68% | 66.67% |
| Average Family Size | 3.11, see rank | 3.12 | 3.27 |
| Married-Couple Family | 30,702, 55.06%, see rank | 54.51% | 49.71% |
| Nonfamily Households | 17,791, 31.91%, see rank | 32.32% | 33.33% |
US Census 2000 data
Total population: 136,225
| Merrimack County | New Hampshire | U.S. | |
| Total Households | 51,843, 100% | 474,606 | 105,480,101 |
| Average Household Size | 2.51, see rank | 2.53 | 2.59 |
| 1 Person Households | 12,769, 24.63%, see rank | 24.44% | 25.82% |
| 2 or More Person Households | 39,074, 75.37%, see rank | 75.56% | 74.18% |
| Family Households (Families) | 35,473, 68.42%, see rank | 68.19% | 68.06% |
| Average Family Size | 3.00, see rank | 3.03 | 3.14 |
| Married-Couple Family | 28,446, 54.87%, see rank | 55.30% | 51.66% |
| Nonfamily Households | 16,370, 31.58%, see rank | 31.81% | 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.