USA.com / California / Contra Costa County / Richmond, CA / 94804 / Population and Races / Historical Household and Family Data
94804 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 40,941
| 94804 Zip Code | California | U.S. | |
| Total Households | 14,306, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.85, see rank | 2.95 | 2.63 |
| 1 Person Households | 4,201, 29.37%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 10,105, 70.63%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 9,149, 63.95%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.72, see rank | 3.67 | 3.32 |
| Married-Couple Family | 4,733, 33.08%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 5,157, 36.05%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 38,559
| 94804 Zip Code | California | U.S. | |
| Total Households | 13,948, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.75, see rank | 2.90 | 2.58 |
| 1 Person Households | 3,968, 28.45%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 9,980, 71.55%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 8,927, 64.00%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.40, see rank | 3.45 | 3.14 |
| Married-Couple Family | 4,883, 35.01%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 5,021, 36.00%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 39,635
| 94804 Zip Code | California | U.S. | |
| Total Households | 13,971, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.82, see rank | 2.93 | 2.61 |
| 1 Person Households | 4,034, 28.87%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 9,937, 71.13%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 9,201, 65.86%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.65, see rank | 3.65 | 3.29 |
| Married-Couple Family | 4,866, 34.83%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 4,770, 34.14%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 39,080
| 94804 Zip Code | California | U.S. | |
| Total Households | 14,322, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.71, see rank | 2.87 | 2.59 |
| 1 Person Households | 4,101, 28.63%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 10,221, 71.37%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 9,137, 63.80%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.38, see rank | 3.43 | 3.14 |
| Married-Couple Family | 5,018, 35.04%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 5,185, 36.20%, 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.