Richland County Historical Household and Family Data
ACS 2010-2014 data
Total population: 16,144
| Richland County | Illinois | U.S. | |
| Total Households | 6,576, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.41, see rank | 2.63 | 2.63 |
| 1 Person Households | 2,070, 31.48%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 4,506, 68.52%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 4,174, 63.47%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.11, see rank | 3.36 | 3.32 |
| Married-Couple Family | 3,369, 51.23%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 2,402, 36.53%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 16,233
| Richland County | Illinois | U.S. | |
| Total Households | 6,726, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.36, see rank | 2.59 | 2.58 |
| 1 Person Households | 1,971, 29.30%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 4,755, 70.70%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 4,438, 65.98%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.88, see rank | 3.20 | 3.14 |
| Married-Couple Family | 3,476, 51.68%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 2,288, 34.02%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 16,181
| Richland County | Illinois | U.S. | |
| Total Households | 6,658, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.40, see rank | 2.62 | 2.61 |
| 1 Person Households | 2,017, 30.29%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 4,641, 69.71%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 4,405, 66.16%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.05, see rank | 3.34 | 3.29 |
| Married-Couple Family | 3,554, 53.38%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 2,253, 33.84%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 16,166
| Richland County | Illinois | U.S. | |
| Total Households | 6,675, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.39, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,916, 28.70%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 4,759, 71.30%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 4,487, 67.22%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.00, see rank | 3.31 | 3.25 |
| Married-Couple Family | 3,754, 56.24%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 2,188, 32.78%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 15,621
| Richland County | Illinois | U.S. | |
| Total Households | 6,965, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.21, see rank | 2.62 | 2.60 |
| 1 Person Households | 1,981, 28.44%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 4,984, 71.56%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 4,643, 66.66%, see rank | 66.09% | 66.67% |
| Average Family Size | 2.76, see rank | 3.34 | 3.27 |
| Married-Couple Family | 3,715, 53.34%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 2,322, 33.34%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 16,149
| Richland County | Illinois | U.S. | |
| Total Households | 6,660, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.40, see rank | 2.63 | 2.59 |
| 1 Person Households | 1,844, 27.69%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 4,816, 72.31%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 4,534, 68.08%, see rank | 67.63% | 68.06% |
| Average Family Size | 2.92, see rank | 3.23 | 3.14 |
| Married-Couple Family | 3,714, 55.77%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 2,126, 31.92%, 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.