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Port Costa, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 302
| Port Costa, CA | California | U.S. | |
| Total Households | 170, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 1.78, see rank | 2.95 | 2.63 |
| 1 Person Households | 107, 62.94%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 63, 37.06%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 63, 37.06%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.10, see rank | 3.67 | 3.32 |
| Married-Couple Family | 63, 37.06%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 107, 62.94%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 190
| Port Costa, CA | California | U.S. | |
| Total Households | 99, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 1.92, see rank | 2.90 | 2.58 |
| 1 Person Households | 42, 42.42%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 57, 57.58%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 46, 46.46%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.61, see rank | 3.45 | 3.14 |
| Married-Couple Family | 37, 37.37%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 53, 53.54%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 361
| Port Costa, CA | California | U.S. | |
| Total Households | 169, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.14, see rank | 2.93 | 2.61 |
| 1 Person Households | 61, 36.09%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 108, 63.91%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 108, 63.91%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.78, see rank | 3.65 | 3.29 |
| Married-Couple Family | 108, 63.91%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 61, 36.09%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 168
| Port Costa, CA | California | U.S. | |
| Total Households | 90, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 1.87, see rank | 2.89 | 2.59 |
| 1 Person Households | 26, 28.89%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 64, 71.11%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 64, 71.11%, see rank | 68.55% | 66.75% |
| Average Family Size | 2.22, see rank | 3.60 | 3.25 |
| Married-Couple Family | 64, 71.11%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 26, 28.89%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 203
| Port Costa, CA | California | U.S. | |
| Total Households | 88, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.31, see rank | 2.91 | 2.60 |
| 1 Person Households | 0, 0.00%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 88, 100.00%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 88, 100.00%, see rank | 68.38% | 66.67% |
| Average Family Size | 2.31, see rank | 3.63 | 3.27 |
| Married-Couple Family | 88, 100.00%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 0, 0.00%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 232
| Port Costa, CA | California | U.S. | |
| Total Households | 108, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.15, see rank | 2.87 | 2.59 |
| 1 Person Households | 37, 34.26%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 71, 65.74%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 60, 55.56%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.80, see rank | 3.43 | 3.14 |
| Married-Couple Family | 50, 46.30%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 48, 44.44%, 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.