USA.com / Massachusetts / Middlesex County / Waltham, MA / 02451 / Population and Races / Historical Household and Family Data
02451 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 17,454
| 02451 Zip Code | Massachusetts | U.S. | |
| Total Households | 7,307, 100% | 2,538,485 | 116,211,092 |
| Average Household Size | 2.38, see rank | 2.53 | 2.63 |
| 1 Person Households | 2,067, 28.29%, see rank | 28.80% | 27.57% |
| 2 or More Person Households | 5,240, 71.71%, see rank | 71.20% | 72.43% |
| Family Households (Families) | 4,383, 59.98%, see rank | 63.62% | 66.22% |
| Average Family Size | 3.05, see rank | 3.22 | 3.32 |
| Married-Couple Family | 3,425, 46.87%, see rank | 46.91% | 48.42% |
| Nonfamily Households | 2,924, 40.02%, see rank | 36.38% | 33.78% |
US Census 2010 data
Total population: 17,426
| 02451 Zip Code | Massachusetts | U.S. | |
| Total Households | 7,503, 100% | 2,547,075 | 116,716,292 |
| Average Household Size | 2.32, see rank | 2.48 | 2.58 |
| 1 Person Households | 2,409, 32.11%, see rank | 28.75% | 26.74% |
| 2 or More Person Households | 5,094, 67.89%, see rank | 71.25% | 73.26% |
| Family Households (Families) | 4,336, 57.79%, see rank | 62.96% | 66.43% |
| Average Family Size | 2.98, see rank | 3.08 | 3.14 |
| Married-Couple Family | 3,337, 44.48%, see rank | 46.28% | 48.42% |
| Nonfamily Households | 3,167, 42.21%, see rank | 37.04% | 33.57% |
ACS 2008-2012 data
Total population: 16,573
| 02451 Zip Code | Massachusetts | U.S. | |
| Total Households | 7,285, 100% | 2,525,694 | 115,226,802 |
| Average Household Size | 2.26, see rank | 2.50 | 2.61 |
| 1 Person Households | 2,257, 30.98%, see rank | 29.05% | 27.45% |
| 2 or More Person Households | 5,028, 69.02%, see rank | 70.95% | 72.55% |
| Family Households (Families) | 4,183, 57.42%, see rank | 63.52% | 66.47% |
| Average Family Size | 2.95, see rank | 3.20 | 3.29 |
| Married-Couple Family | 3,491, 47.92%, see rank | 47.12% | 48.97% |
| Nonfamily Households | 3,102, 42.58%, see rank | 36.48% | 33.53% |
US Census 2000 data
Total population: 17,650
| 02451 Zip Code | Massachusetts | U.S. | |
| Total Households | 7,276, 100% | 2,443,580 | 105,480,101 |
| Average Household Size | 2.38, see rank | 2.51 | 2.59 |
| 1 Person Households | 2,198, 30.21%, see rank | 28.01% | 25.82% |
| 2 or More Person Households | 5,078, 69.79%, see rank | 71.99% | 74.18% |
| Family Households (Families) | 4,269, 58.67%, see rank | 64.52% | 68.06% |
| Average Family Size | 3.04, see rank | 3.11 | 3.14 |
| Married-Couple Family | 3,417, 46.96%, see rank | 49.02% | 51.66% |
| Nonfamily Households | 3,007, 41.33%, 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.