USA.com / California / Contra Costa County / Concord, CA / 94520 / Population and Races / Historical Household and Family Data
94520 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 38,743
| 94520 Zip Code | California | U.S. | |
| Total Households | 12,827, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.99, see rank | 2.95 | 2.63 |
| 1 Person Households | 3,091, 24.10%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 9,736, 75.90%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 8,372, 65.27%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.80, see rank | 3.67 | 3.32 |
| Married-Couple Family | 5,437, 42.39%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 4,455, 34.73%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 37,208
| 94520 Zip Code | California | U.S. | |
| Total Households | 12,494, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.95, see rank | 2.90 | 2.58 |
| 1 Person Households | 3,270, 26.17%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 9,224, 73.83%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 7,922, 63.41%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.54, see rank | 3.45 | 3.14 |
| Married-Couple Family | 5,043, 40.36%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 4,572, 36.59%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 37,477
| 94520 Zip Code | California | U.S. | |
| Total Households | 12,710, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.92, see rank | 2.93 | 2.61 |
| 1 Person Households | 3,407, 26.81%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 9,303, 73.19%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 8,017, 63.08%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.74, see rank | 3.65 | 3.29 |
| Married-Couple Family | 4,925, 38.75%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 4,693, 36.92%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 36,174
| 94520 Zip Code | California | U.S. | |
| Total Households | 12,624, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.84, see rank | 2.87 | 2.59 |
| 1 Person Households | 3,554, 28.15%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 9,070, 71.85%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 7,786, 61.68%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.50, see rank | 3.43 | 3.14 |
| Married-Couple Family | 5,238, 41.49%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 4,838, 38.32%, 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.