USA.com / California / Contra Costa County / Diablo, CA / 94528 / Population and Races / Historical Household and Family Data
94528 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 915
| 94528 Zip Code | California | U.S. | |
| Total Households | 354, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.58, see rank | 2.95 | 2.63 |
| 1 Person Households | 68, 19.21%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 286, 80.79%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 240, 67.80%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.15, see rank | 3.67 | 3.32 |
| Married-Couple Family | 240, 67.80%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 114, 32.20%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 964
| 94528 Zip Code | California | U.S. | |
| Total Households | 366, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.63, see rank | 2.90 | 2.58 |
| 1 Person Households | 54, 14.75%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 312, 85.25%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 303, 82.79%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.93, see rank | 3.45 | 3.14 |
| Married-Couple Family | 279, 76.23%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 63, 17.21%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 1,175
| 94528 Zip Code | California | U.S. | |
| Total Households | 350, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 3.36, see rank | 2.93 | 2.61 |
| 1 Person Households | 48, 13.71%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 302, 86.29%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 302, 86.29%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.73, see rank | 3.65 | 3.29 |
| Married-Couple Family | 302, 86.29%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 48, 13.71%, see rank | 31.41% | 33.53% |
* 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.