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Williamson County Historical Household and Family Data
ACS 2010-2014 data
Total population: 193,921
| Williamson County | Tennessee | U.S. | |
| Total Households | 68,119, 100% | 2,487,349 | 116,211,092 |
| Average Household Size | 2.84, see rank | 2.53 | 2.63 |
| 1 Person Households | 12,823, 18.82%, see rank | 28.12% | 27.57% |
| 2 or More Person Households | 55,296, 81.18%, see rank | 71.88% | 72.43% |
| Family Households (Families) | 53,691, 78.82%, see rank | 66.66% | 66.22% |
| Average Family Size | 3.29, see rank | 3.18 | 3.32 |
| Married-Couple Family | 47,286, 69.42%, see rank | 48.72% | 48.42% |
| Nonfamily Households | 14,428, 21.18%, see rank | 33.34% | 33.78% |
US Census 2010 data
Total population: 183,182
| Williamson County | Tennessee | U.S. | |
| Total Households | 64,886, 100% | 2,493,552 | 116,716,292 |
| Average Household Size | 2.81, see rank | 2.48 | 2.58 |
| 1 Person Households | 11,505, 17.73%, see rank | 26.92% | 26.74% |
| 2 or More Person Households | 53,381, 82.27%, see rank | 73.08% | 73.26% |
| Family Households (Families) | 51,242, 78.97%, see rank | 67.34% | 66.43% |
| Average Family Size | 3.20, see rank | 3.01 | 3.14 |
| Married-Couple Family | 44,172, 68.08%, see rank | 48.72% | 48.42% |
| Nonfamily Households | 13,644, 21.03%, see rank | 32.66% | 33.57% |
ACS 2008-2012 data
Total population: 184,225
| Williamson County | Tennessee | U.S. | |
| Total Households | 64,946, 100% | 2,468,841 | 115,226,802 |
| Average Household Size | 2.82, see rank | 2.51 | 2.61 |
| 1 Person Households | 11,744, 18.08%, see rank | 28.09% | 27.45% |
| 2 or More Person Households | 53,202, 81.92%, see rank | 71.91% | 72.55% |
| Family Households (Families) | 51,586, 79.43%, see rank | 66.85% | 66.47% |
| Average Family Size | 3.25, see rank | 3.15 | 3.29 |
| Married-Couple Family | 44,884, 69.11%, see rank | 49.28% | 48.97% |
| Nonfamily Households | 13,360, 20.57%, see rank | 33.15% | 33.53% |
ACS 2006-2010 data
Total population: 174,260
| Williamson County | Tennessee | U.S. | |
| Total Households | 62,508, 100% | 2,443,475 | 114,235,996 |
| Average Household Size | 2.78, see rank | 2.49 | 2.59 |
| 1 Person Households | 10,508, 16.81%, see rank | 27.66% | 27.24% |
| 2 or More Person Households | 52,000, 83.19%, see rank | 72.34% | 72.76% |
| Family Households (Families) | 50,013, 80.01%, see rank | 67.32% | 66.75% |
| Average Family Size | 3.18, see rank | 3.11 | 3.25 |
| Married-Couple Family | 43,643, 69.82%, see rank | 49.85% | 49.60% |
| Nonfamily Households | 12,495, 19.99%, see rank | 32.68% | 33.25% |
ACS 2005-2009 data
Total population: 165,526
| Williamson County | Tennessee | U.S. | |
| Total Households | 57,490, 100% | 2,412,567 | 112,611,029 |
| Average Household Size | 2.87, see rank | 2.49 | 2.60 |
| 1 Person Households | 9,804, 17.05%, see rank | 27.90% | 27.32% |
| 2 or More Person Households | 47,686, 82.95%, see rank | 72.10% | 72.68% |
| Family Households (Families) | 45,941, 79.91%, see rank | 67.05% | 66.67% |
| Average Family Size | 3.28, see rank | 3.11 | 3.27 |
| Married-Couple Family | 39,744, 69.13%, see rank | 49.70% | 49.71% |
| Nonfamily Households | 11,549, 20.09%, see rank | 32.95% | 33.33% |
US Census 2000 data
Total population: 126,638
| Williamson County | Tennessee | U.S. | |
| Total Households | 44,725, 100% | 2,232,905 | 105,480,101 |
| Average Household Size | 2.81, see rank | 2.48 | 2.59 |
| 1 Person Households | 7,430, 16.61%, see rank | 25.81% | 25.82% |
| 2 or More Person Households | 37,295, 83.39%, see rank | 74.19% | 74.18% |
| Family Households (Families) | 35,758, 79.95%, see rank | 69.32% | 68.06% |
| Average Family Size | 3.18, see rank | 2.99 | 3.14 |
| Married-Couple Family | 31,211, 69.78%, see rank | 52.58% | 51.66% |
| Nonfamily Households | 8,967, 20.05%, see rank | 30.68% | 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.