Piatt County Historical Household and Family Data
ACS 2010-2014 data
Total population: 16,552
| Piatt County | Illinois | U.S. | |
| Total Households | 6,623, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.48, see rank | 2.63 | 2.63 |
| 1 Person Households | 1,569, 23.69%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 5,054, 76.31%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 4,764, 71.93%, see rank | 65.52% | 66.22% |
| Average Family Size | 2.99, see rank | 3.36 | 3.32 |
| Married-Couple Family | 4,061, 61.32%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 1,859, 28.07%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 16,729
| Piatt County | Illinois | U.S. | |
| Total Households | 6,782, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.46, see rank | 2.59 | 2.58 |
| 1 Person Households | 1,663, 24.52%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 5,119, 75.48%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 4,823, 71.11%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.92, see rank | 3.20 | 3.14 |
| Married-Couple Family | 4,029, 59.41%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 1,959, 28.89%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 16,679
| Piatt County | Illinois | U.S. | |
| Total Households | 6,428, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.57, see rank | 2.62 | 2.61 |
| 1 Person Households | 1,623, 25.25%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 4,805, 74.75%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 4,602, 71.59%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.13, see rank | 3.34 | 3.29 |
| Married-Couple Family | 3,952, 61.48%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 1,826, 28.41%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 16,708
| Piatt County | Illinois | U.S. | |
| Total Households | 6,555, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.49, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,590, 24.26%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 4,965, 75.74%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 4,773, 72.81%, see rank | 66.28% | 66.75% |
| Average Family Size | 2.99, see rank | 3.31 | 3.25 |
| Married-Couple Family | 4,095, 62.47%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 1,782, 27.19%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 16,499
| Piatt County | Illinois | U.S. | |
| Total Households | 6,582, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.42, see rank | 2.62 | 2.60 |
| 1 Person Households | 1,684, 25.58%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 4,898, 74.42%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 4,736, 71.95%, see rank | 66.09% | 66.67% |
| Average Family Size | 2.93, see rank | 3.34 | 3.27 |
| Married-Couple Family | 4,116, 62.53%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 1,846, 28.05%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 16,365
| Piatt County | Illinois | U.S. | |
| Total Households | 6,475, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.50, see rank | 2.63 | 2.59 |
| 1 Person Households | 1,532, 23.66%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 4,943, 76.34%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 4,727, 73.00%, see rank | 67.63% | 68.06% |
| Average Family Size | 2.96, see rank | 3.23 | 3.14 |
| Married-Couple Family | 4,099, 63.31%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 1,748, 27.00%, 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.