Clay County Historical Household and Family Data
ACS 2010-2014 data
Total population: 13,675
| Clay County | Illinois | U.S. | |
| Total Households | 5,410, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.46, see rank | 2.63 | 2.63 |
| 1 Person Households | 1,571, 29.04%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 3,839, 70.96%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 3,659, 67.63%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.09, see rank | 3.36 | 3.32 |
| Married-Couple Family | 2,906, 53.72%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 1,751, 32.37%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 13,815
| Clay County | Illinois | U.S. | |
| Total Households | 5,697, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.37, see rank | 2.59 | 2.58 |
| 1 Person Households | 1,648, 28.93%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 4,049, 71.07%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 3,790, 66.53%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.89, see rank | 3.20 | 3.14 |
| Married-Couple Family | 2,967, 52.08%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 1,907, 33.47%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 13,828
| Clay County | Illinois | U.S. | |
| Total Households | 5,591, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.42, see rank | 2.62 | 2.61 |
| 1 Person Households | 1,664, 29.76%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 3,927, 70.24%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 3,697, 66.12%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.05, see rank | 3.34 | 3.29 |
| Married-Couple Family | 2,928, 52.37%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 1,894, 33.88%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 13,927
| Clay County | Illinois | U.S. | |
| Total Households | 5,615, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.45, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,914, 34.09%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 3,701, 65.91%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 3,474, 61.87%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.23, see rank | 3.31 | 3.25 |
| Married-Couple Family | 2,797, 49.81%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 2,141, 38.13%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 13,729
| Clay County | Illinois | U.S. | |
| Total Households | 5,874, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.27, see rank | 2.62 | 2.60 |
| 1 Person Households | 1,917, 32.64%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 3,957, 67.36%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 3,761, 64.03%, see rank | 66.09% | 66.67% |
| Average Family Size | 2.93, see rank | 3.34 | 3.27 |
| Married-Couple Family | 3,003, 51.12%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 2,113, 35.97%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 14,560
| Clay County | Illinois | U.S. | |
| Total Households | 5,839, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.41, see rank | 2.63 | 2.59 |
| 1 Person Households | 1,627, 27.86%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 4,212, 72.14%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 4,003, 68.56%, see rank | 67.63% | 68.06% |
| Average Family Size | 2.94, see rank | 3.23 | 3.14 |
| Married-Couple Family | 3,291, 56.36%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 1,836, 31.44%, 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.