Rock County Historical Household and Family Data
ACS 2010-2014 data
Total population: 9,587
| Rock County | Minnesota | U.S. | |
| Total Households | 3,933, 100% | 2,115,337 | 116,211,092 |
| Average Household Size | 2.37, see rank | 2.48 | 2.63 |
| 1 Person Households | 1,242, 31.58%, see rank | 28.24% | 27.57% |
| 2 or More Person Households | 2,691, 68.42%, see rank | 71.76% | 72.43% |
| Family Households (Families) | 2,634, 66.97%, see rank | 64.87% | 66.22% |
| Average Family Size | 3.02, see rank | 3.13 | 3.32 |
| Married-Couple Family | 2,174, 55.28%, see rank | 51.06% | 48.42% |
| Nonfamily Households | 1,299, 33.03%, see rank | 35.13% | 33.78% |
US Census 2010 data
Total population: 9,687
| Rock County | Minnesota | U.S. | |
| Total Households | 3,918, 100% | 2,087,227 | 116,716,292 |
| Average Household Size | 2.41, see rank | 2.48 | 2.58 |
| 1 Person Households | 1,140, 29.10%, see rank | 27.98% | 26.74% |
| 2 or More Person Households | 2,778, 70.90%, see rank | 72.02% | 73.26% |
| Family Households (Families) | 2,666, 68.04%, see rank | 64.63% | 66.43% |
| Average Family Size | 2.96, see rank | 3.05 | 3.14 |
| Married-Couple Family | 2,257, 57.61%, see rank | 50.81% | 48.42% |
| Nonfamily Households | 1,252, 31.96%, see rank | 35.37% | 33.57% |
ACS 2008-2012 data
Total population: 9,620
| Rock County | Minnesota | U.S. | |
| Total Households | 3,967, 100% | 2,101,875 | 115,226,802 |
| Average Household Size | 2.36, see rank | 2.46 | 2.61 |
| 1 Person Households | 1,192, 30.05%, see rank | 28.21% | 27.45% |
| 2 or More Person Households | 2,775, 69.95%, see rank | 71.79% | 72.55% |
| Family Households (Families) | 2,698, 68.01%, see rank | 64.98% | 66.47% |
| Average Family Size | 2.97, see rank | 3.11 | 3.29 |
| Married-Couple Family | 2,262, 57.02%, see rank | 51.48% | 48.97% |
| Nonfamily Households | 1,269, 31.99%, see rank | 35.02% | 33.53% |
ACS 2006-2010 data
Total population: 9,606
| Rock County | Minnesota | U.S. | |
| Total Households | 3,885, 100% | 2,085,917 | 114,235,996 |
| Average Household Size | 2.45, see rank | 2.45 | 2.59 |
| 1 Person Households | 1,179, 30.35%, see rank | 28.07% | 27.24% |
| 2 or More Person Households | 2,706, 69.65%, see rank | 71.93% | 72.76% |
| Family Households (Families) | 2,603, 67.00%, see rank | 65.11% | 66.75% |
| Average Family Size | 3.05, see rank | 3.09 | 3.25 |
| Married-Couple Family | 2,230, 57.40%, see rank | 51.92% | 49.60% |
| Nonfamily Households | 1,282, 33.00%, see rank | 34.89% | 33.25% |
ACS 2005-2009 data
Total population: 9,444
| Rock County | Minnesota | U.S. | |
| Total Households | 3,945, 100% | 2,061,882 | 112,611,029 |
| Average Household Size | 2.36, see rank | 2.45 | 2.60 |
| 1 Person Households | 1,188, 30.11%, see rank | 28.09% | 27.32% |
| 2 or More Person Households | 2,757, 69.89%, see rank | 71.91% | 72.68% |
| Family Households (Families) | 2,613, 66.24%, see rank | 65.01% | 66.67% |
| Average Family Size | 2.99, see rank | 3.09 | 3.27 |
| Married-Couple Family | 2,321, 58.83%, see rank | 52.09% | 49.71% |
| Nonfamily Households | 1,332, 33.76%, see rank | 34.99% | 33.33% |
US Census 2000 data
Total population: 9,721
| Rock County | Minnesota | U.S. | |
| Total Households | 3,843, 100% | 1,895,127 | 105,480,101 |
| Average Household Size | 2.47, see rank | 2.52 | 2.59 |
| 1 Person Households | 1,037, 26.98%, see rank | 26.88% | 25.82% |
| 2 or More Person Households | 2,806, 73.02%, see rank | 73.12% | 74.18% |
| Family Households (Families) | 2,707, 70.44%, see rank | 66.23% | 68.06% |
| Average Family Size | 3.01, see rank | 3.09 | 3.14 |
| Married-Couple Family | 2,386, 62.09%, see rank | 53.73% | 51.66% |
| Nonfamily Households | 1,136, 29.56%, see rank | 33.77% | 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.