USA.com / California / San Diego County / Alpine, CA / 91901 / Population and Races / Historical Household and Family Data
91901 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 18,184
| 91901 Zip Code | California | U.S. | |
| Total Households | 6,396, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.78, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,314, 20.54%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 5,082, 79.46%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 4,701, 73.50%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.30, see rank | 3.67 | 3.32 |
| Married-Couple Family | 3,893, 60.87%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 1,695, 26.50%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 17,403
| 91901 Zip Code | California | U.S. | |
| Total Households | 6,345, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.70, see rank | 2.90 | 2.58 |
| 1 Person Households | 1,261, 19.87%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 5,084, 80.13%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 4,722, 74.42%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.10, see rank | 3.45 | 3.14 |
| Married-Couple Family | 3,766, 59.35%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 1,623, 25.58%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 17,034
| 91901 Zip Code | California | U.S. | |
| Total Households | 6,161, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.69, see rank | 2.93 | 2.61 |
| 1 Person Households | 1,144, 18.57%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 5,017, 81.43%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 4,669, 75.78%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.13, see rank | 3.65 | 3.29 |
| Married-Couple Family | 3,822, 62.04%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 1,492, 24.22%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 16,468
| 91901 Zip Code | California | U.S. | |
| Total Households | 5,708, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.75, see rank | 2.87 | 2.59 |
| 1 Person Households | 982, 17.20%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 4,726, 82.80%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 4,376, 76.66%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.09, see rank | 3.43 | 3.14 |
| Married-Couple Family | 3,649, 63.93%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 1,332, 23.34%, 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.