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Sinai, SD Historical Household and Family Data
ACS 2010-2014 data
Total population: 169
| Sinai, SD | South Dakota | U.S. | |
| Total Households | 49, 100% | 327,101 | 116,211,092 |
| Average Household Size | 3.45, see rank | 2.45 | 2.63 |
| 1 Person Households | 11, 22.45%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 38, 77.55%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 38, 77.55%, see rank | 64.44% | 66.22% |
| Average Family Size | 4.16, see rank | 3.11 | 3.32 |
| Married-Couple Family | 31, 63.27%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 11, 22.45%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 120
| Sinai, SD | South Dakota | U.S. | |
| Total Households | 52, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.31, see rank | 2.42 | 2.58 |
| 1 Person Households | 20, 38.46%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 32, 61.54%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 32, 61.54%, see rank | 64.22% | 66.43% |
| Average Family Size | 3.00, see rank | 3.00 | 3.14 |
| Married-Couple Family | 26, 50.00%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 20, 38.46%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 125
| Sinai, SD | South Dakota | U.S. | |
| Total Households | 34, 100% | 320,467 | 115,226,802 |
| Average Household Size | 3.68, see rank | 2.44 | 2.61 |
| 1 Person Households | 6, 17.65%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 28, 82.35%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 28, 82.35%, see rank | 64.82% | 66.47% |
| Average Family Size | 4.25, see rank | 3.10 | 3.29 |
| Married-Couple Family | 24, 70.59%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 6, 17.65%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 188
| Sinai, SD | South Dakota | U.S. | |
| Total Households | 62, 100% | 315,468 | 114,235,996 |
| Average Household Size | 3.03, see rank | 2.43 | 2.59 |
| 1 Person Households | 15, 24.19%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 47, 75.81%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 47, 75.81%, see rank | 65.26% | 66.75% |
| Average Family Size | 3.68, see rank | 3.07 | 3.25 |
| Married-Couple Family | 35, 56.45%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 15, 24.19%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 153
| Sinai, SD | South Dakota | U.S. | |
| Total Households | 62, 100% | 314,674 | 112,611,029 |
| Average Household Size | 2.47, see rank | 2.43 | 2.60 |
| 1 Person Households | 19, 30.65%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 43, 69.35%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 43, 69.35%, see rank | 65.18% | 66.67% |
| Average Family Size | 3.12, see rank | 3.08 | 3.27 |
| Married-Couple Family | 35, 56.45%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 19, 30.65%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 133
| Sinai, SD | South Dakota | U.S. | |
| Total Households | 54, 100% | 290,245 | 105,480,101 |
| Average Household Size | 2.46, see rank | 2.50 | 2.59 |
| 1 Person Households | 10, 18.52%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 44, 81.48%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 42, 77.78%, see rank | 66.95% | 68.06% |
| Average Family Size | 2.83, see rank | 3.07 | 3.14 |
| Married-Couple Family | 41, 75.93%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 12, 22.22%, see rank | 33.05% | 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.