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San Luis Obispo, CA Historical Household and Family Data
ACS 2010-2014 data
Total population: 45,911
| San Luis Obispo, CA | California | U.S. | |
| Total Households | 17,855, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.48, see rank | 2.95 | 2.63 |
| 1 Person Households | 5,618, 31.46%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 12,237, 68.54%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 7,394, 41.41%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.03, see rank | 3.67 | 3.32 |
| Married-Couple Family | 5,454, 30.55%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 10,461, 58.59%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 45,119
| San Luis Obispo, CA | California | U.S. | |
| Total Households | 19,193, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.29, see rank | 2.90 | 2.58 |
| 1 Person Households | 6,213, 32.37%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 12,980, 67.63%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 7,612, 39.66%, see rank | 68.71% | 66.43% |
| Average Family Size | 2.81, see rank | 3.45 | 3.14 |
| Married-Couple Family | 5,690, 29.65%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 11,581, 60.34%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 45,328
| San Luis Obispo, CA | California | U.S. | |
| Total Households | 18,378, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.37, see rank | 2.93 | 2.61 |
| 1 Person Households | 5,881, 32.00%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 12,497, 68.00%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 7,369, 40.10%, see rank | 68.59% | 66.47% |
| Average Family Size | 2.93, see rank | 3.65 | 3.29 |
| Married-Couple Family | 5,610, 30.53%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 11,009, 59.90%, see rank | 31.41% | 33.53% |
ACS 2006-2010 data
Total population: 44,959
| San Luis Obispo, CA | California | U.S. | |
| Total Households | 19,734, 100% | 12,392,852 | 114,235,996 |
| Average Household Size | 2.21, see rank | 2.89 | 2.59 |
| 1 Person Households | 6,460, 32.74%, see rank | 24.39% | 27.24% |
| 2 or More Person Households | 13,274, 67.26%, see rank | 75.61% | 72.76% |
| Family Households (Families) | 7,505, 38.03%, see rank | 68.55% | 66.75% |
| Average Family Size | 2.87, see rank | 3.60 | 3.25 |
| Married-Couple Family | 5,544, 28.09%, see rank | 49.76% | 49.60% |
| Nonfamily Households | 12,229, 61.97%, see rank | 31.45% | 33.25% |
ACS 2005-2009 data
Total population: 43,766
| San Luis Obispo, CA | California | U.S. | |
| Total Households | 19,579, 100% | 12,187,191 | 112,611,029 |
| Average Household Size | 2.16, see rank | 2.91 | 2.60 |
| 1 Person Households | 6,056, 30.93%, see rank | 24.57% | 27.32% |
| 2 or More Person Households | 13,523, 69.07%, see rank | 75.43% | 72.68% |
| Family Households (Families) | 6,978, 35.64%, see rank | 68.38% | 66.67% |
| Average Family Size | 2.81, see rank | 3.63 | 3.27 |
| Married-Couple Family | 5,163, 26.37%, see rank | 49.93% | 49.71% |
| Nonfamily Households | 12,601, 64.36%, see rank | 31.62% | 33.33% |
US Census 2000 data
Total population: 44,174
| San Luis Obispo, CA | California | U.S. | |
| Total Households | 18,639, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.27, see rank | 2.87 | 2.59 |
| 1 Person Households | 6,094, 32.69%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 12,545, 67.31%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 7,696, 41.29%, see rank | 68.85% | 68.06% |
| Average Family Size | 2.86, see rank | 3.43 | 3.14 |
| Married-Couple Family | 5,840, 31.33%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 10,943, 58.71%, 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.