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Saint Johns County Historical Household and Family Data
ACS 2010-2014 data
Total population: 203,402
| Saint Johns County | Florida | U.S. | |
| Total Households | 77,443, 100% | 7,217,508 | 116,211,092 |
| Average Household Size | 2.59, see rank | 2.62 | 2.63 |
| 1 Person Households | 18,993, 24.53%, see rank | 28.99% | 27.57% |
| 2 or More Person Households | 58,450, 75.47%, see rank | 71.01% | 72.43% |
| Family Households (Families) | 53,386, 68.94%, see rank | 64.43% | 66.22% |
| Average Family Size | 3.17, see rank | 3.35 | 3.32 |
| Married-Couple Family | 44,044, 56.87%, see rank | 46.61% | 48.42% |
| Nonfamily Households | 24,057, 31.06%, see rank | 35.57% | 33.78% |
US Census 2010 data
Total population: 190,039
| Saint Johns County | Florida | U.S. | |
| Total Households | 75,338, 100% | 7,420,802 | 116,716,292 |
| Average Household Size | 2.49, see rank | 2.48 | 2.58 |
| 1 Person Households | 17,845, 23.69%, see rank | 27.24% | 26.74% |
| 2 or More Person Households | 57,493, 76.31%, see rank | 72.76% | 73.26% |
| Family Households (Families) | 52,223, 69.32%, see rank | 65.16% | 66.43% |
| Average Family Size | 2.95, see rank | 3.01 | 3.14 |
| Married-Couple Family | 42,251, 56.08%, see rank | 46.59% | 48.42% |
| Nonfamily Households | 23,115, 30.68%, see rank | 34.84% | 33.57% |
ACS 2008-2012 data
Total population: 191,495
| Saint Johns County | Florida | U.S. | |
| Total Households | 74,021, 100% | 7,147,013 | 115,226,802 |
| Average Household Size | 2.55, see rank | 2.58 | 2.61 |
| 1 Person Households | 18,003, 24.32%, see rank | 28.69% | 27.45% |
| 2 or More Person Households | 56,018, 75.68%, see rank | 71.31% | 72.55% |
| Family Households (Families) | 51,237, 69.22%, see rank | 64.80% | 66.47% |
| Average Family Size | 3.11, see rank | 3.28 | 3.29 |
| Married-Couple Family | 41,787, 56.45%, see rank | 47.32% | 48.97% |
| Nonfamily Households | 22,784, 30.78%, see rank | 35.20% | 33.53% |
ACS 2006-2010 data
Total population: 180,624
| Saint Johns County | Florida | U.S. | |
| Total Households | 70,324, 100% | 7,152,844 | 114,235,996 |
| Average Household Size | 2.53, see rank | 2.53 | 2.59 |
| 1 Person Households | 17,535, 24.93%, see rank | 28.10% | 27.24% |
| 2 or More Person Households | 52,789, 75.07%, see rank | 71.90% | 72.76% |
| Family Households (Families) | 48,341, 68.74%, see rank | 65.29% | 66.75% |
| Average Family Size | 3.11, see rank | 3.19 | 3.25 |
| Married-Couple Family | 39,638, 56.36%, see rank | 48.16% | 49.60% |
| Nonfamily Households | 21,983, 31.26%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 174,994
| Saint Johns County | Florida | U.S. | |
| Total Households | 67,016, 100% | 7,076,539 | 112,611,029 |
| Average Household Size | 2.57, see rank | 2.52 | 2.60 |
| 1 Person Households | 16,670, 24.87%, see rank | 28.04% | 27.32% |
| 2 or More Person Households | 50,346, 75.13%, see rank | 71.96% | 72.68% |
| Family Households (Families) | 46,348, 69.16%, see rank | 65.15% | 66.67% |
| Average Family Size | 3.15, see rank | 3.18 | 3.27 |
| Married-Couple Family | 38,336, 57.20%, see rank | 48.28% | 49.71% |
| Nonfamily Households | 20,668, 30.84%, see rank | 34.85% | 33.33% |
US Census 2000 data
Total population: 123,135
| Saint Johns County | Florida | U.S. | |
| Total Households | 49,614, 100% | 6,337,929 | 105,480,101 |
| Average Household Size | 2.44, see rank | 2.46 | 2.59 |
| 1 Person Households | 12,039, 24.27%, see rank | 26.62% | 25.82% |
| 2 or More Person Households | 37,575, 75.73%, see rank | 73.38% | 74.18% |
| Family Households (Families) | 34,103, 68.74%, see rank | 66.44% | 68.06% |
| Average Family Size | 2.90, see rank | 2.98 | 3.14 |
| Married-Couple Family | 28,176, 56.79%, see rank | 50.37% | 51.66% |
| Nonfamily Households | 15,511, 31.26%, see rank | 33.56% | 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.