Day County Historical Household and Family Data
ACS 2010-2014 data
Total population: 5,664
| Day County | South Dakota | U.S. | |
| Total Households | 2,564, 100% | 327,101 | 116,211,092 |
| Average Household Size | 2.14, see rank | 2.45 | 2.63 |
| 1 Person Households | 914, 35.65%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 1,650, 64.35%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 1,594, 62.17%, see rank | 64.44% | 66.22% |
| Average Family Size | 2.81, see rank | 3.11 | 3.32 |
| Married-Couple Family | 1,269, 49.49%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 970, 37.83%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 5,710
| Day County | South Dakota | U.S. | |
| Total Households | 2,504, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.22, see rank | 2.42 | 2.58 |
| 1 Person Households | 852, 34.03%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 1,652, 65.97%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 1,561, 62.34%, see rank | 64.22% | 66.43% |
| Average Family Size | 2.83, see rank | 3.00 | 3.14 |
| Married-Couple Family | 1,252, 50.00%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 943, 37.66%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 5,673
| Day County | South Dakota | U.S. | |
| Total Households | 2,462, 100% | 320,467 | 115,226,802 |
| Average Household Size | 2.24, see rank | 2.44 | 2.61 |
| 1 Person Households | 861, 34.97%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 1,601, 65.03%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 1,556, 63.20%, see rank | 64.82% | 66.47% |
| Average Family Size | 2.92, see rank | 3.10 | 3.29 |
| Married-Couple Family | 1,254, 50.93%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 906, 36.80%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 5,714
| Day County | South Dakota | U.S. | |
| Total Households | 2,504, 100% | 315,468 | 114,235,996 |
| Average Household Size | 2.17, see rank | 2.43 | 2.59 |
| 1 Person Households | 905, 36.14%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 1,599, 63.86%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 1,541, 61.54%, see rank | 65.26% | 66.75% |
| Average Family Size | 2.86, see rank | 3.07 | 3.25 |
| Married-Couple Family | 1,240, 49.52%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 963, 38.46%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 5,637
| Day County | South Dakota | U.S. | |
| Total Households | 2,453, 100% | 314,674 | 112,611,029 |
| Average Household Size | 2.12, see rank | 2.43 | 2.60 |
| 1 Person Households | 906, 36.93%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 1,547, 63.07%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 1,494, 60.91%, see rank | 65.18% | 66.67% |
| Average Family Size | 2.81, see rank | 3.08 | 3.27 |
| Married-Couple Family | 1,140, 46.47%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 959, 39.09%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 6,267
| Day County | South Dakota | U.S. | |
| Total Households | 2,586, 100% | 290,245 | 105,480,101 |
| Average Household Size | 2.36, see rank | 2.50 | 2.59 |
| 1 Person Households | 823, 31.83%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 1,763, 68.17%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 1,688, 65.27%, see rank | 66.95% | 68.06% |
| Average Family Size | 2.98, see rank | 3.07 | 3.14 |
| Married-Couple Family | 1,406, 54.37%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 898, 34.73%, 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.