San Mar, MD Historical Household and Family Data
ACS 2010-2014 data
Total population: 185
| San Mar, MD | Maryland | U.S. | |
| Total Households | 60, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 1.47, see rank | 2.67 | 2.63 |
| 1 Person Households | 32, 53.33%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 28, 46.67%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 28, 46.67%, see rank | 67.07% | 66.22% |
| Average Family Size | 2.00, see rank | 3.35 | 3.32 |
| Married-Couple Family | 28, 46.67%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 32, 53.33%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 384
| San Mar, MD | Maryland | U.S. | |
| Total Households | 129, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 1.96, see rank | 2.61 | 2.58 |
| 1 Person Households | 57, 44.19%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 72, 55.81%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 66, 51.16%, see rank | 67.10% | 66.43% |
| Average Family Size | 2.70, see rank | 3.15 | 3.14 |
| Married-Couple Family | 52, 40.31%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 63, 48.84%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 348
| San Mar, MD | Maryland | U.S. | |
| Total Households | 100, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.42, see rank | 2.64 | 2.61 |
| 1 Person Households | 27, 27.00%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 73, 73.00%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 73, 73.00%, see rank | 66.97% | 66.47% |
| Average Family Size | 2.95, see rank | 3.32 | 3.29 |
| Married-Couple Family | 56, 56.00%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 27, 27.00%, see rank | 33.03% | 33.53% |
ACS 2006-2010 data
Total population: 395
| San Mar, MD | Maryland | U.S. | |
| Total Households | 132, 100% | 2,121,047 | 114,235,996 |
| Average Household Size | 2.35, see rank | 2.62 | 2.59 |
| 1 Person Households | 43, 32.58%, see rank | 26.92% | 27.24% |
| 2 or More Person Households | 89, 67.42%, see rank | 73.08% | 72.76% |
| Family Households (Families) | 75, 56.82%, see rank | 67.11% | 66.75% |
| Average Family Size | 3.19, see rank | 3.28 | 3.25 |
| Married-Couple Family | 58, 43.94%, see rank | 48.59% | 49.60% |
| Nonfamily Households | 57, 43.18%, see rank | 32.89% | 33.25% |
ACS 2005-2009 data
Total population: 412
| San Mar, MD | Maryland | U.S. | |
| Total Households | 156, 100% | 2,092,538 | 112,611,029 |
| Average Household Size | 2.64, see rank | 2.63 | 2.60 |
| 1 Person Households | 34, 21.79%, see rank | 27.08% | 27.32% |
| 2 or More Person Households | 122, 78.21%, see rank | 72.92% | 72.68% |
| Family Households (Families) | 109, 69.87%, see rank | 66.92% | 66.67% |
| Average Family Size | 3.23, see rank | 3.30 | 3.27 |
| Married-Couple Family | 92, 58.97%, see rank | 48.74% | 49.71% |
| Nonfamily Households | 47, 30.13%, see rank | 33.08% | 33.33% |
US Census 2000 data
Total population: 515
| San Mar, MD | Maryland | U.S. | |
| Total Households | 167, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.32, see rank | 2.61 | 2.59 |
| 1 Person Households | 48, 28.74%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 119, 71.26%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 108, 64.67%, see rank | 68.62% | 68.06% |
| Average Family Size | 2.92, see rank | 3.13 | 3.14 |
| Married-Couple Family | 100, 59.88%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 59, 35.33%, see rank | 31.38% | 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.