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Watertown, MA Historical Household and Family Data
ACS 2010-2014 data
Total population: 32,880
| Watertown, MA | Massachusetts | U.S. | |
| Total Households | 14,449, 100% | 2,538,485 | 116,211,092 |
| Average Household Size | 2.24, see rank | 2.53 | 2.63 |
| 1 Person Households | 4,970, 34.40%, see rank | 28.80% | 27.57% |
| 2 or More Person Households | 9,479, 65.60%, see rank | 71.20% | 72.43% |
| Family Households (Families) | 7,843, 54.28%, see rank | 63.62% | 66.22% |
| Average Family Size | 2.99, see rank | 3.22 | 3.32 |
| Married-Couple Family | 6,251, 43.26%, see rank | 46.91% | 48.42% |
| Nonfamily Households | 6,606, 45.72%, see rank | 36.38% | 33.78% |
US Census 2010 data
Total population: 31,915
| Watertown, MA | Massachusetts | U.S. | |
| Total Households | 14,709, 100% | 2,547,075 | 116,716,292 |
| Average Household Size | 2.15, see rank | 2.48 | 2.58 |
| 1 Person Households | 5,260, 35.76%, see rank | 28.75% | 26.74% |
| 2 or More Person Households | 9,449, 64.24%, see rank | 71.25% | 73.26% |
| Family Households (Families) | 7,412, 50.39%, see rank | 62.96% | 66.43% |
| Average Family Size | 2.87, see rank | 3.08 | 3.14 |
| Married-Couple Family | 5,690, 38.68%, see rank | 46.28% | 48.42% |
| Nonfamily Households | 7,297, 49.61%, see rank | 37.04% | 33.57% |
ACS 2008-2012 data
Total population: 32,073
| Watertown, MA | Massachusetts | U.S. | |
| Total Households | 14,010, 100% | 2,525,694 | 115,226,802 |
| Average Household Size | 2.22, see rank | 2.50 | 2.61 |
| 1 Person Households | 4,632, 33.06%, see rank | 29.05% | 27.45% |
| 2 or More Person Households | 9,378, 66.94%, see rank | 70.95% | 72.55% |
| Family Households (Families) | 7,519, 53.67%, see rank | 63.52% | 66.47% |
| Average Family Size | 2.93, see rank | 3.20 | 3.29 |
| Married-Couple Family | 5,951, 42.48%, see rank | 47.12% | 48.97% |
| Nonfamily Households | 6,491, 46.33%, see rank | 36.48% | 33.53% |
ACS 2006-2010 data
Total population: 31,591
| Watertown, MA | Massachusetts | U.S. | |
| Total Households | 14,300, 100% | 2,512,552 | 114,235,996 |
| Average Household Size | 2.18, see rank | 2.48 | 2.59 |
| 1 Person Households | 4,806, 33.61%, see rank | 28.94% | 27.24% |
| 2 or More Person Households | 9,494, 66.39%, see rank | 71.06% | 72.76% |
| Family Households (Families) | 7,591, 53.08%, see rank | 63.70% | 66.75% |
| Average Family Size | 2.87, see rank | 3.17 | 3.25 |
| Married-Couple Family | 6,109, 42.72%, see rank | 47.58% | 49.60% |
| Nonfamily Households | 6,709, 46.92%, see rank | 36.30% | 33.25% |
ACS 2005-2009 data
Total population: 32,767
| Watertown, MA | Massachusetts | U.S. | |
| Total Households | 14,146, 100% | 2,465,654 | 112,611,029 |
| Average Household Size | 2.21, see rank | 2.54 | 2.60 |
| 1 Person Households | 4,934, 34.88%, see rank | 29.12% | 27.32% |
| 2 or More Person Households | 9,212, 65.12%, see rank | 70.88% | 72.68% |
| Family Households (Families) | 7,331, 51.82%, see rank | 63.86% | 66.67% |
| Average Family Size | 2.95, see rank | 3.24 | 3.27 |
| Married-Couple Family | 5,713, 40.39%, see rank | 47.97% | 49.71% |
| Nonfamily Households | 6,815, 48.18%, see rank | 36.14% | 33.33% |
US Census 2000 data
Total population: 32,986
| Watertown, MA | Massachusetts | U.S. | |
| Total Households | 14,629, 100% | 2,443,580 | 105,480,101 |
| Average Household Size | 2.17, see rank | 2.51 | 2.59 |
| 1 Person Households | 4,993, 34.13%, see rank | 28.01% | 25.82% |
| 2 or More Person Households | 9,636, 65.87%, see rank | 71.99% | 74.18% |
| Family Households (Families) | 7,325, 50.07%, see rank | 64.52% | 68.06% |
| Average Family Size | 2.86, see rank | 3.11 | 3.14 |
| Married-Couple Family | 5,539, 37.86%, see rank | 49.02% | 51.66% |
| Nonfamily Households | 7,304, 49.93%, see rank | 35.48% | 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.