USA.com / California / Contra Costa County / Antioch, CA / 94509 / Population and Races / Historical Household and Family Data
94509 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 63,351
| 94509 Zip Code | California | U.S. | |
| Total Households | 21,230, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.96, see rank | 2.95 | 2.63 |
| 1 Person Households | 4,656, 21.93%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 16,574, 78.07%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 15,412, 72.60%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.59, see rank | 3.67 | 3.32 |
| Married-Couple Family | 10,219, 48.13%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 5,818, 27.40%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 62,439
| 94509 Zip Code | California | U.S. | |
| Total Households | 20,740, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.98, see rank | 2.90 | 2.58 |
| 1 Person Households | 4,036, 19.46%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 16,704, 80.54%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 15,303, 73.78%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.40, see rank | 3.45 | 3.14 |
| Married-Couple Family | 9,823, 47.36%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 5,437, 26.22%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 61,665
| 94509 Zip Code | California | U.S. | |
| Total Households | 20,595, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.98, see rank | 2.93 | 2.61 |
| 1 Person Households | 4,227, 20.52%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 16,368, 79.48%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 15,118, 73.41%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.56, see rank | 3.65 | 3.29 |
| Married-Couple Family | 9,724, 47.22%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 5,477, 26.59%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 90,879
| 94509 Zip Code | California | U.S. | |
| Total Households | 29,446, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 3.07, see rank | 2.87 | 2.59 |
| 1 Person Households | 4,684, 15.91%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 24,762, 84.09%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 23,259, 78.99%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.42, see rank | 3.43 | 3.14 |
| Married-Couple Family | 17,771, 60.35%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 6,187, 21.01%, 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.