USA.com / South Dakota / Groton, SD / 57445 / Population and Races / Historical Household and Family Data
57445 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 2,227
| 57445 Zip Code | South Dakota | U.S. | |
| Total Households | 847, 100% | 327,101 | 116,211,092 |
| Average Household Size | 2.57, see rank | 2.45 | 2.63 |
| 1 Person Households | 217, 25.62%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 630, 74.38%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 610, 72.02%, see rank | 64.44% | 66.22% |
| Average Family Size | 3.16, see rank | 3.11 | 3.32 |
| Married-Couple Family | 533, 62.93%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 237, 27.98%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 2,068
| 57445 Zip Code | South Dakota | U.S. | |
| Total Households | 811, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.50, see rank | 2.42 | 2.58 |
| 1 Person Households | 216, 26.63%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 595, 73.37%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 564, 69.54%, see rank | 64.22% | 66.43% |
| Average Family Size | 3.06, see rank | 3.00 | 3.14 |
| Married-Couple Family | 492, 60.67%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 247, 30.46%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 2,080
| 57445 Zip Code | South Dakota | U.S. | |
| Total Households | 796, 100% | 320,467 | 115,226,802 |
| Average Household Size | 2.55, see rank | 2.44 | 2.61 |
| 1 Person Households | 202, 25.38%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 594, 74.62%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 581, 72.99%, see rank | 64.82% | 66.47% |
| Average Family Size | 3.10, see rank | 3.10 | 3.29 |
| Married-Couple Family | 500, 62.81%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 215, 27.01%, see rank | 35.18% | 33.53% |
US Census 2000 data
Total population: 1,950
| 57445 Zip Code | South Dakota | U.S. | |
| Total Households | 755, 100% | 290,245 | 105,480,101 |
| Average Household Size | 2.49, see rank | 2.50 | 2.59 |
| 1 Person Households | 190, 25.17%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 565, 74.83%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 552, 73.11%, see rank | 66.95% | 68.06% |
| Average Family Size | 2.98, see rank | 3.07 | 3.14 |
| Married-Couple Family | 474, 62.78%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 203, 26.89%, 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.