USA.com / California / Contra Costa County / Walnut Creek, CA / 94595 / Population and Races / Historical Household and Family Data
94595 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 16,837
| 94595 Zip Code | California | U.S. | |
| Total Households | 9,103, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 1.79, see rank | 2.95 | 2.63 |
| 1 Person Households | 4,851, 53.29%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 4,252, 46.71%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 4,083, 44.85%, see rank | 68.69% | 66.22% |
| Average Family Size | 2.72, see rank | 3.67 | 3.32 |
| Married-Couple Family | 3,670, 40.32%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 5,020, 55.15%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 16,425
| 94595 Zip Code | California | U.S. | |
| Total Households | 9,372, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 1.70, see rank | 2.90 | 2.58 |
| 1 Person Households | 5,100, 54.42%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 4,272, 45.58%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 3,856, 41.14%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.54, see rank | 3.45 | 3.14 |
| Married-Couple Family | 3,300, 35.21%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 5,516, 58.86%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 16,400
| 94595 Zip Code | California | U.S. | |
| Total Households | 9,040, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 1.76, see rank | 2.93 | 2.61 |
| 1 Person Households | 4,835, 53.48%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 4,205, 46.52%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 3,962, 43.83%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.67, see rank | 3.65 | 3.29 |
| Married-Couple Family | 3,502, 38.74%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 5,078, 56.17%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 18,019
| 94595 Zip Code | California | U.S. | |
| Total Households | 9,920, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 1.77, see rank | 2.87 | 2.59 |
| 1 Person Households | 5,037, 50.78%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 4,883, 49.22%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 4,459, 44.95%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.57, see rank | 3.43 | 3.14 |
| Married-Couple Family | 3,978, 40.10%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 5,461, 55.05%, 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.