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Regional School Unit 21 Historical Household and Family Data
ACS 2010-2014 data
Total population: 18,582
| Regional School Unit 21 | Maine | U.S. | |
| Total Households | 7,658, 100% | 553,086 | 116,211,092 |
| Average Household Size | 2.40, see rank | 2.34 | 2.63 |
| 1 Person Households | 2,024, 26.43%, see rank | 29.06% | 27.57% |
| 2 or More Person Households | 5,634, 73.57%, see rank | 70.94% | 72.43% |
| Family Households (Families) | 5,167, 67.47%, see rank | 62.91% | 66.22% |
| Average Family Size | 2.96, see rank | 2.96 | 3.32 |
| Married-Couple Family | 4,420, 57.72%, see rank | 48.92% | 48.42% |
| Nonfamily Households | 2,491, 32.53%, see rank | 37.09% | 33.78% |
US Census 2010 data
Total population: 18,294
| Regional School Unit 21 | Maine | U.S. | |
| Total Households | 7,836, 100% | 557,219 | 116,716,292 |
| Average Household Size | 2.32, see rank | 2.32 | 2.58 |
| 1 Person Households | 2,235, 28.52%, see rank | 28.63% | 26.74% |
| 2 or More Person Households | 5,601, 71.48%, see rank | 71.37% | 73.26% |
| Family Households (Families) | 5,114, 65.26%, see rank | 62.92% | 66.43% |
| Average Family Size | 2.84, see rank | 2.83 | 3.14 |
| Married-Couple Family | 4,233, 54.02%, see rank | 48.47% | 48.42% |
| Nonfamily Households | 2,722, 34.74%, see rank | 37.08% | 33.57% |
ACS 2008-2012 data
Total population: 18,423
| Regional School Unit 21 | Maine | U.S. | |
| Total Households | 7,716, 100% | 553,208 | 115,226,802 |
| Average Household Size | 2.36, see rank | 2.34 | 2.61 |
| 1 Person Households | 2,085, 27.02%, see rank | 28.94% | 27.45% |
| 2 or More Person Households | 5,631, 72.98%, see rank | 71.06% | 72.55% |
| Family Households (Families) | 5,197, 67.35%, see rank | 63.24% | 66.47% |
| Average Family Size | 2.92, see rank | 2.96 | 3.29 |
| Married-Couple Family | 4,440, 57.54%, see rank | 49.51% | 48.97% |
| Nonfamily Households | 2,519, 32.65%, see rank | 36.76% | 33.53% |
ACS 2006-2010 data
Total population: 18,423
| Regional School Unit 21 | Maine | U.S. | |
| Total Households | 7,659, 100% | 551,125 | 114,235,996 |
| Average Household Size | 2.38, see rank | 2.34 | 2.59 |
| 1 Person Households | 1,865, 24.35%, see rank | 28.19% | 27.24% |
| 2 or More Person Households | 5,794, 75.65%, see rank | 71.81% | 72.76% |
| Family Households (Families) | 5,414, 70.69%, see rank | 64.26% | 66.75% |
| Average Family Size | 2.88, see rank | 2.94 | 3.25 |
| Married-Couple Family | 4,531, 59.16%, see rank | 50.52% | 49.60% |
| Nonfamily Households | 2,245, 29.31%, see rank | 35.74% | 33.25% |
* 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.