Knox County Historical Household and Family Data
ACS 2010-2014 data
Total population: 39,653
| Knox County | Maine | U.S. | |
| Total Households | 17,038, 100% | 553,086 | 116,211,092 |
| Average Household Size | 2.26, see rank | 2.34 | 2.63 |
| 1 Person Households | 5,406, 31.73%, see rank | 29.06% | 27.57% |
| 2 or More Person Households | 11,632, 68.27%, see rank | 70.94% | 72.43% |
| Family Households (Families) | 10,673, 62.64%, see rank | 62.91% | 66.22% |
| Average Family Size | 2.89, see rank | 2.96 | 3.32 |
| Married-Couple Family | 8,221, 48.25%, see rank | 48.92% | 48.42% |
| Nonfamily Households | 6,365, 37.36%, see rank | 37.09% | 33.78% |
US Census 2010 data
Total population: 39,736
| Knox County | Maine | U.S. | |
| Total Households | 17,258, 100% | 557,219 | 116,716,292 |
| Average Household Size | 2.22, see rank | 2.32 | 2.58 |
| 1 Person Households | 5,352, 31.01%, see rank | 28.63% | 26.74% |
| 2 or More Person Households | 11,906, 68.99%, see rank | 71.37% | 73.26% |
| Family Households (Families) | 10,662, 61.78%, see rank | 62.92% | 66.43% |
| Average Family Size | 2.75, see rank | 2.83 | 3.14 |
| Married-Couple Family | 8,312, 48.16%, see rank | 48.47% | 48.42% |
| Nonfamily Households | 6,596, 38.22%, see rank | 37.08% | 33.57% |
ACS 2008-2012 data
Total population: 39,848
| Knox County | Maine | U.S. | |
| Total Households | 16,857, 100% | 553,208 | 115,226,802 |
| Average Household Size | 2.31, see rank | 2.34 | 2.61 |
| 1 Person Households | 5,316, 31.54%, see rank | 28.94% | 27.45% |
| 2 or More Person Households | 11,541, 68.46%, see rank | 71.06% | 72.55% |
| Family Households (Families) | 10,515, 62.38%, see rank | 63.24% | 66.47% |
| Average Family Size | 2.96, see rank | 2.96 | 3.29 |
| Married-Couple Family | 8,159, 48.40%, see rank | 49.51% | 48.97% |
| Nonfamily Households | 6,342, 37.62%, see rank | 36.76% | 33.53% |
ACS 2006-2010 data
Total population: 40,111
| Knox County | Maine | U.S. | |
| Total Households | 16,945, 100% | 551,125 | 114,235,996 |
| Average Household Size | 2.32, see rank | 2.34 | 2.59 |
| 1 Person Households | 5,099, 30.09%, see rank | 28.19% | 27.24% |
| 2 or More Person Households | 11,846, 69.91%, see rank | 71.81% | 72.76% |
| Family Households (Families) | 10,756, 63.48%, see rank | 64.26% | 66.75% |
| Average Family Size | 2.95, see rank | 2.94 | 3.25 |
| Married-Couple Family | 8,309, 49.04%, see rank | 50.52% | 49.60% |
| Nonfamily Households | 6,189, 36.52%, see rank | 35.74% | 33.25% |
ACS 2005-2009 data
Total population: 40,897
| Knox County | Maine | U.S. | |
| Total Households | 16,948, 100% | 542,617 | 112,611,029 |
| Average Household Size | 2.36, see rank | 2.36 | 2.60 |
| 1 Person Households | 5,006, 29.54%, see rank | 27.98% | 27.32% |
| 2 or More Person Households | 11,942, 70.46%, see rank | 72.02% | 72.68% |
| Family Households (Families) | 10,767, 63.53%, see rank | 64.66% | 66.67% |
| Average Family Size | 3.00, see rank | 2.95 | 3.27 |
| Married-Couple Family | 8,580, 50.63%, see rank | 50.82% | 49.71% |
| Nonfamily Households | 6,181, 36.47%, see rank | 35.34% | 33.33% |
US Census 2000 data
Total population: 39,618
| Knox County | Maine | U.S. | |
| Total Households | 16,608, 100% | 518,200 | 105,480,101 |
| Average Household Size | 2.31, see rank | 2.39 | 2.59 |
| 1 Person Households | 4,817, 29.00%, see rank | 27.01% | 25.82% |
| 2 or More Person Households | 11,791, 71.00%, see rank | 72.99% | 74.18% |
| Family Households (Families) | 10,728, 64.60%, see rank | 65.74% | 68.06% |
| Average Family Size | 2.83, see rank | 2.90 | 3.14 |
| Married-Couple Family | 8,676, 52.24%, see rank | 52.52% | 51.66% |
| Nonfamily Households | 5,880, 35.40%, see rank | 34.26% | 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.