USA.com / California / Contra Costa County / Walnut Creek, CA / 94598 / Population and Races / Historical Household and Family Data
94598 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 26,974
| 94598 Zip Code | California | U.S. | |
| Total Households | 10,206, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.60, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,953, 19.14%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 8,253, 80.86%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 7,761, 76.04%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.02, see rank | 3.67 | 3.32 |
| Married-Couple Family | 6,793, 66.56%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 2,445, 23.96%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 25,818
| 94598 Zip Code | California | U.S. | |
| Total Households | 10,390, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.46, see rank | 2.90 | 2.58 |
| 1 Person Households | 2,524, 24.29%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 7,866, 75.71%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 7,330, 70.55%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.94, see rank | 3.45 | 3.14 |
| Married-Couple Family | 6,259, 60.24%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 3,060, 29.45%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 26,127
| 94598 Zip Code | California | U.S. | |
| Total Households | 10,044, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.56, see rank | 2.93 | 2.61 |
| 1 Person Households | 2,278, 22.68%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 7,766, 77.32%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 7,399, 73.67%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.05, see rank | 3.65 | 3.29 |
| Married-Couple Family | 6,488, 64.60%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 2,645, 26.33%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 26,011
| 94598 Zip Code | California | U.S. | |
| Total Households | 10,360, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.48, see rank | 2.87 | 2.59 |
| 1 Person Households | 2,446, 23.61%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 7,914, 76.39%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 7,393, 71.36%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.95, see rank | 3.43 | 3.14 |
| Married-Couple Family | 6,459, 62.35%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 2,967, 28.64%, 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.