USA.com / Virginia / Fairfax County / Herndon, VA / 20171 / Population and Races / Historical Household and Family Data
20171 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 48,663
| 20171 Zip Code | Virginia | U.S. | |
| Total Households | 16,451, 100% | 3,041,710 | 116,211,092 |
| Average Household Size | 2.96, see rank | 2.61 | 2.63 |
| 1 Person Households | 2,898, 17.62%, see rank | 26.52% | 27.57% |
| 2 or More Person Households | 13,553, 82.38%, see rank | 73.48% | 72.43% |
| Family Households (Families) | 12,736, 77.42%, see rank | 67.30% | 66.22% |
| Average Family Size | 3.42, see rank | 3.25 | 3.32 |
| Married-Couple Family | 11,139, 67.71%, see rank | 50.70% | 48.42% |
| Nonfamily Households | 3,715, 22.58%, see rank | 32.70% | 33.78% |
US Census 2010 data
Total population: 45,887
| 20171 Zip Code | Virginia | U.S. | |
| Total Households | 16,256, 100% | 3,056,058 | 116,716,292 |
| Average Household Size | 2.82, see rank | 2.54 | 2.58 |
| 1 Person Households | 2,937, 18.07%, see rank | 26.02% | 26.74% |
| 2 or More Person Households | 13,319, 81.93%, see rank | 73.98% | 73.26% |
| Family Households (Families) | 12,318, 75.78%, see rank | 66.99% | 66.43% |
| Average Family Size | 3.25, see rank | 3.06 | 3.14 |
| Married-Couple Family | 10,727, 65.99%, see rank | 50.22% | 48.42% |
| Nonfamily Households | 3,938, 24.22%, see rank | 33.01% | 33.57% |
ACS 2008-2012 data
Total population: 46,201
| 20171 Zip Code | Virginia | U.S. | |
| Total Households | 16,206, 100% | 3,006,219 | 115,226,802 |
| Average Household Size | 2.85, see rank | 2.59 | 2.61 |
| 1 Person Households | 2,985, 18.42%, see rank | 26.45% | 27.45% |
| 2 or More Person Households | 13,221, 81.58%, see rank | 73.55% | 72.55% |
| Family Households (Families) | 12,568, 77.55%, see rank | 67.39% | 66.47% |
| Average Family Size | 3.31, see rank | 3.21 | 3.29 |
| Married-Couple Family | 11,030, 68.06%, see rank | 51.11% | 48.97% |
| Nonfamily Households | 3,638, 22.45%, see rank | 32.61% | 33.53% |
US Census 2000 data
Total population: 33,811
| 20171 Zip Code | Virginia | U.S. | |
| Total Households | 10,977, 100% | 2,699,173 | 105,480,101 |
| Average Household Size | 3.08, see rank | 2.54 | 2.59 |
| 1 Person Households | 1,334, 12.15%, see rank | 25.08% | 25.82% |
| 2 or More Person Households | 9,643, 87.85%, see rank | 74.92% | 74.18% |
| Family Households (Families) | 9,078, 82.70%, see rank | 68.46% | 68.06% |
| Average Family Size | 3.38, see rank | 3.04 | 3.14 |
| Married-Couple Family | 8,071, 73.53%, see rank | 52.83% | 51.66% |
| Nonfamily Households | 1,899, 17.30%, see rank | 31.54% | 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.