Isabel, SD Historical Household and Family Data
ACS 2010-2014 data
Total population: 175
| Isabel, SD | South Dakota | U.S. | |
| Total Households | 69, 100% | 327,101 | 116,211,092 |
| Average Household Size | 2.54, see rank | 2.45 | 2.63 |
| 1 Person Households | 20, 28.99%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 49, 71.01%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 44, 63.77%, see rank | 64.44% | 66.22% |
| Average Family Size | 3.20, see rank | 3.11 | 3.32 |
| Married-Couple Family | 26, 37.68%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 25, 36.23%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 135
| Isabel, SD | South Dakota | U.S. | |
| Total Households | 55, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.45, see rank | 2.42 | 2.58 |
| 1 Person Households | 15, 27.27%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 40, 72.73%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 38, 69.09%, see rank | 64.22% | 66.43% |
| Average Family Size | 2.95, see rank | 3.00 | 3.14 |
| Married-Couple Family | 26, 47.27%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 17, 30.91%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 182
| Isabel, SD | South Dakota | U.S. | |
| Total Households | 86, 100% | 320,467 | 115,226,802 |
| Average Household Size | 2.12, see rank | 2.44 | 2.61 |
| 1 Person Households | 16, 18.60%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 70, 81.40%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 62, 72.09%, see rank | 64.82% | 66.47% |
| Average Family Size | 2.35, see rank | 3.10 | 3.29 |
| Married-Couple Family | 29, 33.72%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 24, 27.91%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 284
| Isabel, SD | South Dakota | U.S. | |
| Total Households | 104, 100% | 315,468 | 114,235,996 |
| Average Household Size | 2.73, see rank | 2.43 | 2.59 |
| 1 Person Households | 26, 25.00%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 78, 75.00%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 63, 60.58%, see rank | 65.26% | 66.75% |
| Average Family Size | 3.38, see rank | 3.07 | 3.25 |
| Married-Couple Family | 27, 25.96%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 41, 39.42%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 228
| Isabel, SD | South Dakota | U.S. | |
| Total Households | 74, 100% | 314,674 | 112,611,029 |
| Average Household Size | 3.08, see rank | 2.43 | 2.60 |
| 1 Person Households | 16, 21.62%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 58, 78.38%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 51, 68.92%, see rank | 65.18% | 66.67% |
| Average Family Size | 3.78, see rank | 3.08 | 3.27 |
| Married-Couple Family | 22, 29.73%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 23, 31.08%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 239
| Isabel, SD | South Dakota | U.S. | |
| Total Households | 89, 100% | 290,245 | 105,480,101 |
| Average Household Size | 2.69, see rank | 2.50 | 2.59 |
| 1 Person Households | 28, 31.46%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 61, 68.54%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 60, 67.42%, see rank | 66.95% | 68.06% |
| Average Family Size | 3.38, see rank | 3.07 | 3.14 |
| Married-Couple Family | 44, 49.44%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 29, 32.58%, 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.