Summit, SD Historical Household and Family Data
ACS 2010-2014 data
Total population: 284
| Summit, SD | South Dakota | U.S. | |
| Total Households | 108, 100% | 327,101 | 116,211,092 |
| Average Household Size | 2.63, see rank | 2.45 | 2.63 |
| 1 Person Households | 34, 31.48%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 74, 68.52%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 71, 65.74%, see rank | 64.44% | 66.22% |
| Average Family Size | 3.35, see rank | 3.11 | 3.32 |
| Married-Couple Family | 48, 44.44%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 37, 34.26%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 288
| Summit, SD | South Dakota | U.S. | |
| Total Households | 112, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.57, see rank | 2.42 | 2.58 |
| 1 Person Households | 37, 33.04%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 75, 66.96%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 69, 61.61%, see rank | 64.22% | 66.43% |
| Average Family Size | 3.32, see rank | 3.00 | 3.14 |
| Married-Couple Family | 45, 40.18%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 43, 38.39%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 323
| Summit, SD | South Dakota | U.S. | |
| Total Households | 109, 100% | 320,467 | 115,226,802 |
| Average Household Size | 2.96, see rank | 2.44 | 2.61 |
| 1 Person Households | 36, 33.03%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 73, 66.97%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 69, 63.30%, see rank | 64.82% | 66.47% |
| Average Family Size | 3.94, see rank | 3.10 | 3.29 |
| Married-Couple Family | 47, 43.12%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 40, 36.70%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 315
| Summit, SD | South Dakota | U.S. | |
| Total Households | 121, 100% | 315,468 | 114,235,996 |
| Average Household Size | 2.60, see rank | 2.43 | 2.59 |
| 1 Person Households | 42, 34.71%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 79, 65.29%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 75, 61.98%, see rank | 65.26% | 66.75% |
| Average Family Size | 3.48, see rank | 3.07 | 3.25 |
| Married-Couple Family | 62, 51.24%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 46, 38.02%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 286
| Summit, SD | South Dakota | U.S. | |
| Total Households | 111, 100% | 314,674 | 112,611,029 |
| Average Household Size | 2.58, see rank | 2.43 | 2.60 |
| 1 Person Households | 45, 40.54%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 66, 59.46%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 65, 58.56%, see rank | 65.18% | 66.67% |
| Average Family Size | 3.66, see rank | 3.08 | 3.27 |
| Married-Couple Family | 49, 44.14%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 46, 41.44%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 281
| Summit, SD | South Dakota | U.S. | |
| Total Households | 119, 100% | 290,245 | 105,480,101 |
| Average Household Size | 2.36, see rank | 2.50 | 2.59 |
| 1 Person Households | 38, 31.93%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 81, 68.07%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 75, 63.03%, see rank | 66.95% | 68.06% |
| Average Family Size | 3.01, see rank | 3.07 | 3.14 |
| Married-Couple Family | 53, 44.54%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 44, 36.97%, 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.