USA.com / California / San Mateo County / Atherton, CA / 94027 / Population and Races / Historical Household and Family Data
94027 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 7,230
| 94027 Zip Code | California | U.S. | |
| Total Households | 2,474, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.73, see rank | 2.95 | 2.63 |
| 1 Person Households | 400, 16.17%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 2,074, 83.83%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 2,032, 82.13%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.08, see rank | 3.67 | 3.32 |
| Married-Couple Family | 1,724, 69.68%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 442, 17.87%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 7,089
| 94027 Zip Code | California | U.S. | |
| Total Households | 2,412, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.78, see rank | 2.90 | 2.58 |
| 1 Person Households | 348, 14.43%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 2,064, 85.57%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 1,957, 81.14%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.02, see rank | 3.45 | 3.14 |
| Married-Couple Family | 1,794, 74.38%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 455, 18.86%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 7,083
| 94027 Zip Code | California | U.S. | |
| Total Households | 2,380, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.78, see rank | 2.93 | 2.61 |
| 1 Person Households | 349, 14.66%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 2,031, 85.34%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 1,969, 82.73%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.10, see rank | 3.65 | 3.29 |
| Married-Couple Family | 1,692, 71.09%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 411, 17.27%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 6,857
| 94027 Zip Code | California | U.S. | |
| Total Households | 2,285, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.86, see rank | 2.87 | 2.59 |
| 1 Person Households | 290, 12.69%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 1,995, 87.31%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 1,887, 82.58%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.07, see rank | 3.43 | 3.14 |
| Married-Couple Family | 1,733, 75.84%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 398, 17.42%, see rank | 31.15% | 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.