Fairfax County Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,117,072
| Fairfax County | Virginia | U.S. | |
| Total Households | 391,794, 100% | 3,041,710 | 116,211,092 |
| Average Household Size | 2.83, see rank | 2.61 | 2.63 |
| 1 Person Households | 88,588, 22.61%, see rank | 26.52% | 27.57% |
| 2 or More Person Households | 303,206, 77.39%, see rank | 73.48% | 72.43% |
| Family Households (Families) | 278,935, 71.19%, see rank | 67.30% | 66.22% |
| Average Family Size | 3.43, see rank | 3.25 | 3.32 |
| Married-Couple Family | 226,522, 57.82%, see rank | 50.70% | 48.42% |
| Nonfamily Households | 112,859, 28.81%, see rank | 32.70% | 33.78% |
US Census 2010 data
Total population: 1,081,726
| Fairfax County | Virginia | U.S. | |
| Total Households | 391,627, 100% | 3,056,058 | 116,716,292 |
| Average Household Size | 2.74, see rank | 2.54 | 2.58 |
| 1 Person Households | 89,050, 22.74%, see rank | 26.02% | 26.74% |
| 2 or More Person Households | 302,577, 77.26%, see rank | 73.98% | 73.26% |
| Family Households (Families) | 276,277, 70.55%, see rank | 66.99% | 66.43% |
| Average Family Size | 3.22, see rank | 3.06 | 3.14 |
| Married-Couple Family | 224,696, 57.38%, see rank | 50.22% | 48.42% |
| Nonfamily Households | 115,350, 29.45%, see rank | 33.01% | 33.57% |
ACS 2008-2012 data
Total population: 1,083,770
| Fairfax County | Virginia | U.S. | |
| Total Households | 388,452, 100% | 3,006,219 | 115,226,802 |
| Average Household Size | 2.77, see rank | 2.59 | 2.61 |
| 1 Person Households | 90,121, 23.20%, see rank | 26.45% | 27.45% |
| 2 or More Person Households | 298,331, 76.80%, see rank | 73.55% | 72.55% |
| Family Households (Families) | 275,386, 70.89%, see rank | 67.39% | 66.47% |
| Average Family Size | 3.37, see rank | 3.21 | 3.29 |
| Married-Couple Family | 226,475, 58.30%, see rank | 51.11% | 48.97% |
| Nonfamily Households | 113,066, 29.11%, see rank | 32.61% | 33.53% |
ACS 2006-2010 data
Total population: 1,048,554
| Fairfax County | Virginia | U.S. | |
| Total Households | 381,768, 100% | 2,974,481 | 114,235,996 |
| Average Household Size | 2.73, see rank | 2.56 | 2.59 |
| 1 Person Households | 92,927, 24.34%, see rank | 26.80% | 27.24% |
| 2 or More Person Households | 288,841, 75.66%, see rank | 73.20% | 72.76% |
| Family Households (Families) | 266,580, 69.83%, see rank | 67.24% | 66.75% |
| Average Family Size | 3.34, see rank | 3.18 | 3.25 |
| Married-Couple Family | 218,929, 57.35%, see rank | 51.10% | 49.60% |
| Nonfamily Households | 115,188, 30.17%, see rank | 32.76% | 33.25% |
ACS 2005-2009 data
Total population: 1,012,751
| Fairfax County | Virginia | U.S. | |
| Total Households | 368,239, 100% | 2,936,634 | 112,611,029 |
| Average Household Size | 2.73, see rank | 2.54 | 2.60 |
| 1 Person Households | 90,592, 24.60%, see rank | 27.05% | 27.32% |
| 2 or More Person Households | 277,647, 75.40%, see rank | 72.95% | 72.68% |
| Family Households (Families) | 256,133, 69.56%, see rank | 66.98% | 66.67% |
| Average Family Size | 3.36, see rank | 3.17 | 3.27 |
| Married-Couple Family | 210,991, 57.30%, see rank | 51.00% | 49.71% |
| Nonfamily Households | 112,106, 30.44%, see rank | 33.02% | 33.33% |
US Census 2000 data
Total population: 969,749
| Fairfax County | Virginia | U.S. | |
| Total Households | 350,714, 100% | 2,699,173 | 105,480,101 |
| Average Household Size | 2.74, see rank | 2.54 | 2.59 |
| 1 Person Households | 75,158, 21.43%, see rank | 25.08% | 25.82% |
| 2 or More Person Households | 275,556, 78.57%, see rank | 74.92% | 74.18% |
| Family Households (Families) | 250,281, 71.36%, see rank | 68.46% | 68.06% |
| Average Family Size | 3.20, see rank | 3.04 | 3.14 |
| Married-Couple Family | 208,393, 59.42%, see rank | 52.83% | 51.66% |
| Nonfamily Households | 100,433, 28.64%, 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.