Warren County Historical Household and Family Data
ACS 2010-2014 data
Total population: 17,784
| Warren County | Illinois | U.S. | |
| Total Households | 6,817, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.43, see rank | 2.63 | 2.63 |
| 1 Person Households | 2,030, 29.78%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 4,787, 70.22%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 4,454, 65.34%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.10, see rank | 3.36 | 3.32 |
| Married-Couple Family | 3,353, 49.19%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 2,363, 34.66%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 17,707
| Warren County | Illinois | U.S. | |
| Total Households | 6,918, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.40, see rank | 2.59 | 2.58 |
| 1 Person Households | 1,954, 28.25%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 4,964, 71.75%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 4,617, 66.74%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.91, see rank | 3.20 | 3.14 |
| Married-Couple Family | 3,610, 52.18%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 2,301, 33.26%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 17,723
| Warren County | Illinois | U.S. | |
| Total Households | 6,882, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.39, see rank | 2.62 | 2.61 |
| 1 Person Households | 2,097, 30.47%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 4,785, 69.53%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 4,422, 64.25%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.06, see rank | 3.34 | 3.29 |
| Married-Couple Family | 3,300, 47.95%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 2,460, 35.75%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 17,745
| Warren County | Illinois | U.S. | |
| Total Households | 6,878, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.42, see rank | 2.61 | 2.59 |
| 1 Person Households | 2,113, 30.72%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 4,765, 69.28%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 4,483, 65.18%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.10, see rank | 3.31 | 3.25 |
| Married-Couple Family | 3,615, 52.56%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 2,395, 34.82%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 17,551
| Warren County | Illinois | U.S. | |
| Total Households | 7,010, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.30, see rank | 2.62 | 2.60 |
| 1 Person Households | 2,193, 31.28%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 4,817, 68.72%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 4,537, 64.72%, see rank | 66.09% | 66.67% |
| Average Family Size | 2.94, see rank | 3.34 | 3.27 |
| Married-Couple Family | 3,643, 51.97%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 2,473, 35.28%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 18,735
| Warren County | Illinois | U.S. | |
| Total Households | 7,166, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.44, see rank | 2.63 | 2.59 |
| 1 Person Households | 1,913, 26.70%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 5,253, 73.30%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 4,968, 69.33%, see rank | 67.63% | 68.06% |
| Average Family Size | 2.94, see rank | 3.23 | 3.14 |
| Married-Couple Family | 4,049, 56.50%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 2,198, 30.67%, 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.