USA.com / California / Contra Costa County / Clayton, CA / 94517 / Population and Races / Historical Household and Family Data
94517 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 12,781
| 94517 Zip Code | California | U.S. | |
| Total Households | 4,648, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.69, see rank | 2.95 | 2.63 |
| 1 Person Households | 930, 20.01%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 3,718, 79.99%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 3,589, 77.22%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.14, see rank | 3.67 | 3.32 |
| Married-Couple Family | 3,036, 65.32%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 1,059, 22.78%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 12,385
| 94517 Zip Code | California | U.S. | |
| Total Households | 4,546, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.69, see rank | 2.90 | 2.58 |
| 1 Person Households | 778, 17.11%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 3,768, 82.89%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 3,578, 78.71%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.04, see rank | 3.45 | 3.14 |
| Married-Couple Family | 3,097, 68.13%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 968, 21.29%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 12,582
| 94517 Zip Code | California | U.S. | |
| Total Households | 4,494, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.73, see rank | 2.93 | 2.61 |
| 1 Person Households | 839, 18.67%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 3,655, 81.33%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 3,523, 78.39%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.16, see rank | 3.65 | 3.29 |
| Married-Couple Family | 3,001, 66.78%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 971, 21.61%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 14,223
| 94517 Zip Code | California | U.S. | |
| Total Households | 5,111, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.73, see rank | 2.87 | 2.59 |
| 1 Person Households | 760, 14.87%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 4,351, 85.13%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 4,087, 79.96%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.05, see rank | 3.43 | 3.14 |
| Married-Couple Family | 3,636, 71.14%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 1,024, 20.04%, 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.