USA.com / California / Contra Costa County / Martinez, CA / 94553 / Population and Races / Historical Household and Family Data
94553 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 48,891
| 94553 Zip Code | California | U.S. | |
| Total Households | 18,498, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.59, see rank | 2.95 | 2.63 |
| 1 Person Households | 5,016, 27.12%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 13,482, 72.88%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 11,984, 64.79%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.28, see rank | 3.67 | 3.32 |
| Married-Couple Family | 8,944, 48.35%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 6,514, 35.21%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 47,065
| 94553 Zip Code | California | U.S. | |
| Total Households | 18,607, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.45, see rank | 2.90 | 2.58 |
| 1 Person Households | 4,983, 26.78%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 13,624, 73.22%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 12,049, 64.76%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.97, see rank | 3.45 | 3.14 |
| Married-Couple Family | 8,772, 47.14%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 6,558, 35.24%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 47,583
| 94553 Zip Code | California | U.S. | |
| Total Households | 18,873, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.45, see rank | 2.93 | 2.61 |
| 1 Person Households | 5,416, 28.70%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 13,457, 71.30%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 11,997, 63.57%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.11, see rank | 3.65 | 3.29 |
| Married-Couple Family | 9,111, 48.28%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 6,876, 36.43%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 46,659
| 94553 Zip Code | California | U.S. | |
| Total Households | 18,583, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.43, see rank | 2.87 | 2.59 |
| 1 Person Households | 5,058, 27.22%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 13,525, 72.78%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 11,979, 64.46%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.98, see rank | 3.43 | 3.14 |
| Married-Couple Family | 9,019, 48.53%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 6,604, 35.54%, 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.