Dewey County Historical Household and Family Data
ACS 2010-2014 data
Total population: 5,510
| Dewey County | South Dakota | U.S. | |
| Total Households | 1,676, 100% | 327,101 | 116,211,092 |
| Average Household Size | 3.25, see rank | 2.45 | 2.63 |
| 1 Person Households | 409, 24.40%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 1,267, 75.60%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 1,165, 69.51%, see rank | 64.44% | 66.22% |
| Average Family Size | 4.14, see rank | 3.11 | 3.32 |
| Married-Couple Family | 625, 37.29%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 511, 30.49%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 5,301
| Dewey County | South Dakota | U.S. | |
| Total Households | 1,730, 100% | 322,282 | 116,716,292 |
| Average Household Size | 3.05, see rank | 2.42 | 2.58 |
| 1 Person Households | 426, 24.62%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 1,304, 75.38%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 1,239, 71.62%, see rank | 64.22% | 66.43% |
| Average Family Size | 3.60, see rank | 3.00 | 3.14 |
| Married-Couple Family | 650, 37.57%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 491, 28.38%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 5,358
| Dewey County | South Dakota | U.S. | |
| Total Households | 1,734, 100% | 320,467 | 115,226,802 |
| Average Household Size | 3.04, see rank | 2.44 | 2.61 |
| 1 Person Households | 427, 24.63%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 1,307, 75.37%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 1,217, 70.18%, see rank | 64.82% | 66.47% |
| Average Family Size | 3.80, see rank | 3.10 | 3.29 |
| Married-Couple Family | 616, 35.52%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 517, 29.82%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 5,354
| Dewey County | South Dakota | U.S. | |
| Total Households | 1,699, 100% | 315,468 | 114,235,996 |
| Average Household Size | 3.12, see rank | 2.43 | 2.59 |
| 1 Person Households | 377, 22.19%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 1,322, 77.81%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 1,232, 72.51%, see rank | 65.26% | 66.75% |
| Average Family Size | 3.81, see rank | 3.07 | 3.25 |
| Married-Couple Family | 697, 41.02%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 467, 27.49%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 6,007
| Dewey County | South Dakota | U.S. | |
| Total Households | 1,891, 100% | 314,674 | 112,611,029 |
| Average Household Size | 3.15, see rank | 2.43 | 2.60 |
| 1 Person Households | 415, 21.95%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 1,476, 78.05%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 1,403, 74.19%, see rank | 65.18% | 66.67% |
| Average Family Size | 3.83, see rank | 3.08 | 3.27 |
| Married-Couple Family | 840, 44.42%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 488, 25.81%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 5,972
| Dewey County | South Dakota | U.S. | |
| Total Households | 1,863, 100% | 290,245 | 105,480,101 |
| Average Household Size | 3.15, see rank | 2.50 | 2.59 |
| 1 Person Households | 412, 22.11%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 1,451, 77.89%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 1,387, 74.45%, see rank | 66.95% | 68.06% |
| Average Family Size | 3.66, see rank | 3.07 | 3.14 |
| Married-Couple Family | 800, 42.94%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 476, 25.55%, 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.