Marietta, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 198
| Marietta, IL | Illinois | U.S. | |
| Total Households | 76, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.61, see rank | 2.63 | 2.63 |
| 1 Person Households | 8, 10.53%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 68, 89.47%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 60, 78.95%, see rank | 65.52% | 66.22% |
| Average Family Size | 2.77, see rank | 3.36 | 3.32 |
| Married-Couple Family | 50, 65.79%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 16, 21.05%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 112
| Marietta, IL | Illinois | U.S. | |
| Total Households | 49, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.29, see rank | 2.59 | 2.58 |
| 1 Person Households | 9, 18.37%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 40, 81.63%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 35, 71.43%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.46, see rank | 3.20 | 3.14 |
| Married-Couple Family | 29, 59.18%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 14, 28.57%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 203
| Marietta, IL | Illinois | U.S. | |
| Total Households | 79, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.57, see rank | 2.62 | 2.61 |
| 1 Person Households | 9, 11.39%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 70, 88.61%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 66, 83.54%, see rank | 65.82% | 66.47% |
| Average Family Size | 2.77, see rank | 3.34 | 3.29 |
| Married-Couple Family | 59, 74.68%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 13, 16.46%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 127
| Marietta, IL | Illinois | U.S. | |
| Total Households | 58, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.19, see rank | 2.61 | 2.59 |
| 1 Person Households | 16, 27.59%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 42, 72.41%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 42, 72.41%, see rank | 66.28% | 66.75% |
| Average Family Size | 2.64, see rank | 3.31 | 3.25 |
| Married-Couple Family | 29, 50.00%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 16, 27.59%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 108
| Marietta, IL | Illinois | U.S. | |
| Total Households | 53, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.04, see rank | 2.62 | 2.60 |
| 1 Person Households | 19, 35.85%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 34, 64.15%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 34, 64.15%, see rank | 66.09% | 66.67% |
| Average Family Size | 2.62, see rank | 3.34 | 3.27 |
| Married-Couple Family | 27, 50.94%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 19, 35.85%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 150
| Marietta, IL | Illinois | U.S. | |
| Total Households | 56, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.68, see rank | 2.63 | 2.59 |
| 1 Person Households | 13, 23.21%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 43, 76.79%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 41, 73.21%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.05, see rank | 3.23 | 3.14 |
| Married-Couple Family | 35, 62.50%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 15, 26.79%, see rank | 32.37% | 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.