USA.com / California / Contra Costa County / Antioch, CA / 94531 / Population and Races / Historical Household and Family Data
94531 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 42,587
| 94531 Zip Code | California | U.S. | |
| Total Households | 11,799, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 3.60, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,508, 12.78%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 10,291, 87.22%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 9,899, 83.90%, see rank | 68.69% | 66.22% |
| Average Family Size | 4.03, see rank | 3.67 | 3.32 |
| Married-Couple Family | 7,257, 61.51%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 1,900, 16.10%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 40,290
| 94531 Zip Code | California | U.S. | |
| Total Households | 11,639, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 3.45, see rank | 2.90 | 2.58 |
| 1 Person Households | 1,300, 11.17%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 10,339, 88.83%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 9,802, 84.22%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.70, see rank | 3.45 | 3.14 |
| Married-Couple Family | 7,233, 62.14%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 1,837, 15.78%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 41,237
| 94531 Zip Code | California | U.S. | |
| Total Households | 11,425, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 3.60, see rank | 2.93 | 2.61 |
| 1 Person Households | 1,494, 13.08%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 9,931, 86.92%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 9,528, 83.40%, see rank | 68.59% | 66.47% |
| Average Family Size | 4.06, see rank | 3.65 | 3.29 |
| Married-Couple Family | 6,845, 59.91%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 1,897, 16.60%, 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.