San Marcos, TX Historical Household and Family Data
ACS 2010-2014 data
Total population: 51,289
| San Marcos, TX | Texas | U.S. | |
| Total Households | 18,782, 100% | 9,013,582 | 116,211,092 |
| Average Household Size | 2.39, see rank | 2.83 | 2.63 |
| 1 Person Households | 6,162, 32.81%, see rank | 24.94% | 27.57% |
| 2 or More Person Households | 12,620, 67.19%, see rank | 75.06% | 72.43% |
| Family Households (Families) | 7,293, 38.83%, see rank | 69.65% | 66.22% |
| Average Family Size | 3.32, see rank | 3.51 | 3.32 |
| Married-Couple Family | 4,272, 22.75%, see rank | 50.22% | 48.42% |
| Nonfamily Households | 11,489, 61.17%, see rank | 30.35% | 33.78% |
US Census 2010 data
Total population: 44,894
| San Marcos, TX | Texas | U.S. | |
| Total Households | 17,031, 100% | 8,922,933 | 116,716,292 |
| Average Household Size | 2.27, see rank | 2.75 | 2.58 |
| 1 Person Households | 5,630, 33.06%, see rank | 24.24% | 26.74% |
| 2 or More Person Households | 11,401, 66.94%, see rank | 75.76% | 73.26% |
| Family Households (Families) | 6,485, 38.08%, see rank | 69.90% | 66.43% |
| Average Family Size | 3.03, see rank | 3.31 | 3.14 |
| Married-Couple Family | 3,889, 22.83%, see rank | 50.60% | 48.42% |
| Nonfamily Households | 10,546, 61.92%, see rank | 30.10% | 33.57% |
ACS 2008-2012 data
Total population: 46,131
| San Marcos, TX | Texas | U.S. | |
| Total Households | 16,281, 100% | 8,782,598 | 115,226,802 |
| Average Household Size | 2.38, see rank | 2.80 | 2.61 |
| 1 Person Households | 5,784, 35.53%, see rank | 24.85% | 27.45% |
| 2 or More Person Households | 10,497, 64.47%, see rank | 75.15% | 72.55% |
| Family Households (Families) | 6,449, 39.61%, see rank | 69.92% | 66.47% |
| Average Family Size | 3.39, see rank | 3.47 | 3.29 |
| Married-Couple Family | 3,885, 23.86%, see rank | 50.70% | 48.97% |
| Nonfamily Households | 9,832, 60.39%, see rank | 30.08% | 33.53% |
ACS 2006-2010 data
Total population: 43,282
| San Marcos, TX | Texas | U.S. | |
| Total Households | 15,861, 100% | 8,539,206 | 114,235,996 |
| Average Household Size | 2.27, see rank | 2.78 | 2.59 |
| 1 Person Households | 6,019, 37.95%, see rank | 24.69% | 27.24% |
| 2 or More Person Households | 9,842, 62.05%, see rank | 75.31% | 72.76% |
| Family Households (Families) | 6,166, 38.88%, see rank | 70.17% | 66.75% |
| Average Family Size | 3.27, see rank | 3.43 | 3.25 |
| Married-Couple Family | 3,694, 23.29%, see rank | 51.37% | 49.60% |
| Nonfamily Households | 9,695, 61.12%, see rank | 29.83% | 33.25% |
ACS 2005-2009 data
Total population: 49,565
| San Marcos, TX | Texas | U.S. | |
| Total Households | 16,462, 100% | 8,269,046 | 112,611,029 |
| Average Household Size | 2.60, see rank | 2.81 | 2.60 |
| 1 Person Households | 6,579, 39.96%, see rank | 24.97% | 27.32% |
| 2 or More Person Households | 9,883, 60.04%, see rank | 75.03% | 72.68% |
| Family Households (Families) | 6,670, 40.52%, see rank | 69.94% | 66.67% |
| Average Family Size | 3.64, see rank | 3.47 | 3.27 |
| Married-Couple Family | 4,074, 24.75%, see rank | 51.40% | 49.71% |
| Nonfamily Households | 9,792, 59.48%, see rank | 30.06% | 33.33% |
US Census 2000 data
Total population: 34,733
| San Marcos, TX | Texas | U.S. | |
| Total Households | 12,660, 100% | 7,393,354 | 105,480,101 |
| Average Household Size | 2.31, see rank | 2.74 | 2.59 |
| 1 Person Households | 3,927, 31.02%, see rank | 23.70% | 25.82% |
| 2 or More Person Households | 8,733, 68.98%, see rank | 76.30% | 74.18% |
| Family Households (Families) | 5,385, 42.54%, see rank | 70.98% | 68.06% |
| Average Family Size | 3.08, see rank | 3.28 | 3.14 |
| Married-Couple Family | 3,534, 27.91%, see rank | 53.96% | 51.66% |
| Nonfamily Households | 7,275, 57.46%, see rank | 29.02% | 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.