USA.com / California / Napa County / Saint Helena, CA / 94574 / Population and Races / Historical Household and Family Data
94574 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 9,300
| 94574 Zip Code | California | U.S. | |
| Total Households | 3,805, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.40, see rank | 2.95 | 2.63 |
| 1 Person Households | 1,011, 26.57%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 2,794, 73.43%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 2,614, 68.70%, see rank | 68.69% | 66.22% |
| Average Family Size | 2.88, see rank | 3.67 | 3.32 |
| Married-Couple Family | 2,085, 54.80%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 1,191, 31.30%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 8,742
| 94574 Zip Code | California | U.S. | |
| Total Households | 3,635, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.36, see rank | 2.90 | 2.58 |
| 1 Person Households | 1,143, 31.44%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 2,492, 68.56%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 2,247, 61.82%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.94, see rank | 3.45 | 3.14 |
| Married-Couple Family | 1,809, 49.77%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 1,388, 38.18%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 9,288
| 94574 Zip Code | California | U.S. | |
| Total Households | 3,976, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.30, see rank | 2.93 | 2.61 |
| 1 Person Households | 1,172, 29.48%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 2,804, 70.52%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 2,570, 64.64%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.89, see rank | 3.65 | 3.29 |
| Married-Couple Family | 2,069, 52.04%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 1,406, 35.36%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 9,415
| 94574 Zip Code | California | U.S. | |
| Total Households | 3,741, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.49, see rank | 2.87 | 2.59 |
| 1 Person Households | 1,081, 28.90%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 2,660, 71.10%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 2,422, 64.74%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.10, see rank | 3.43 | 3.14 |
| Married-Couple Family | 1,984, 53.03%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 1,319, 35.26%, 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.