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Rapid City, SD Historical Household and Family Data
ACS 2010-2014 data
Total population: 70,126
| Rapid City, SD | South Dakota | U.S. | |
| Total Households | 28,244, 100% | 327,101 | 116,211,092 |
| Average Household Size | 2.37, see rank | 2.45 | 2.63 |
| 1 Person Households | 9,338, 33.06%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 18,906, 66.94%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 16,847, 59.65%, see rank | 64.44% | 66.22% |
| Average Family Size | 3.10, see rank | 3.11 | 3.32 |
| Married-Couple Family | 12,007, 42.51%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 11,397, 40.35%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 67,956
| Rapid City, SD | South Dakota | U.S. | |
| Total Households | 28,586, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.29, see rank | 2.42 | 2.58 |
| 1 Person Households | 9,406, 32.90%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 19,180, 67.10%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 16,957, 59.32%, see rank | 64.22% | 66.43% |
| Average Family Size | 2.90, see rank | 3.00 | 3.14 |
| Married-Couple Family | 11,769, 41.17%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 11,629, 40.68%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 68,060
| Rapid City, SD | South Dakota | U.S. | |
| Total Households | 28,098, 100% | 320,467 | 115,226,802 |
| Average Household Size | 2.32, see rank | 2.44 | 2.61 |
| 1 Person Households | 8,979, 31.96%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 19,119, 68.04%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 16,955, 60.34%, see rank | 64.82% | 66.47% |
| Average Family Size | 3.00, see rank | 3.10 | 3.29 |
| Married-Couple Family | 12,313, 43.82%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 11,143, 39.66%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 66,144
| Rapid City, SD | South Dakota | U.S. | |
| Total Households | 27,678, 100% | 315,468 | 114,235,996 |
| Average Household Size | 2.31, see rank | 2.43 | 2.59 |
| 1 Person Households | 8,470, 30.60%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 19,208, 69.40%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 17,107, 61.81%, see rank | 65.26% | 66.75% |
| Average Family Size | 2.95, see rank | 3.07 | 3.25 |
| Married-Couple Family | 12,337, 44.57%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 10,571, 38.19%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 64,604
| Rapid City, SD | South Dakota | U.S. | |
| Total Households | 26,124, 100% | 314,674 | 112,611,029 |
| Average Household Size | 2.40, see rank | 2.43 | 2.60 |
| 1 Person Households | 8,081, 30.93%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 18,043, 69.07%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 16,174, 61.91%, see rank | 65.18% | 66.67% |
| Average Family Size | 3.07, see rank | 3.08 | 3.27 |
| Married-Couple Family | 11,849, 45.36%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 9,950, 38.09%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 59,607
| Rapid City, SD | South Dakota | U.S. | |
| Total Households | 23,969, 100% | 290,245 | 105,480,101 |
| Average Household Size | 2.39, see rank | 2.50 | 2.59 |
| 1 Person Households | 7,038, 29.36%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 16,931, 70.64%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 15,211, 63.46%, see rank | 66.95% | 68.06% |
| Average Family Size | 2.96, see rank | 3.07 | 3.14 |
| Married-Couple Family | 11,203, 46.74%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 8,758, 36.54%, 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.