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Rapid City Metro Area Historical Household and Family Data
ACS 2010-2014 data
Total population: 139,040
| Rapid City Area | South Dakota | U.S. | |
| Total Households | 55,079, 100% | 327,101 | 116,211,092 |
| Average Household Size | 2.44, see rank | 2.45 | 2.63 |
| 1 Person Households | 15,418, 27.99%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 39,661, 72.01%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 36,033, 65.42%, see rank | 64.44% | 66.22% |
| Average Family Size | 3.06, see rank | 3.11 | 3.32 |
| Married-Couple Family | 27,659, 50.22%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 19,046, 34.58%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 126,382
| Rapid City Area | South Dakota | U.S. | |
| Total Households | 51,154, 100% | 322,282 | 116,716,292 |
| Average Household Size | 2.40, see rank | 2.42 | 2.58 |
| 1 Person Households | 14,307, 27.97%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 36,847, 72.03%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 33,390, 65.27%, see rank | 64.22% | 66.43% |
| Average Family Size | 2.93, see rank | 3.00 | 3.14 |
| Married-Couple Family | 25,184, 49.23%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 17,764, 34.73%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 126,696
| Rapid City Area | South Dakota | U.S. | |
| Total Households | 50,566, 100% | 320,467 | 115,226,802 |
| Average Household Size | 2.43, see rank | 2.44 | 2.61 |
| 1 Person Households | 13,945, 27.58%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 36,621, 72.42%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 33,192, 65.64%, see rank | 64.82% | 66.47% |
| Average Family Size | 3.03, see rank | 3.10 | 3.29 |
| Married-Couple Family | 25,799, 51.02%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 17,374, 34.36%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 123,078
| Rapid City Area | South Dakota | U.S. | |
| Total Households | 49,653, 100% | 315,468 | 114,235,996 |
| Average Household Size | 2.41, see rank | 2.43 | 2.59 |
| 1 Person Households | 13,292, 26.77%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 36,361, 73.23%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 32,950, 66.36%, see rank | 65.26% | 66.75% |
| Average Family Size | 2.98, see rank | 3.07 | 3.25 |
| Married-Couple Family | 25,341, 51.04%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 16,703, 33.64%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 121,029
| Rapid City Area | South Dakota | U.S. | |
| Total Households | 48,498, 100% | 314,674 | 112,611,029 |
| Average Household Size | 2.43, see rank | 2.43 | 2.60 |
| 1 Person Households | 13,129, 27.07%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 35,369, 72.93%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 32,195, 66.38%, see rank | 65.18% | 66.67% |
| Average Family Size | 3.01, see rank | 3.08 | 3.27 |
| Married-Couple Family | 25,119, 51.79%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 16,303, 33.62%, see rank | 34.82% | 33.33% |
* 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.