Dupage County Historical Household and Family Data
ACS 2010-2014 data
Total population: 926,485
| Dupage County | Illinois | U.S. | |
| Total Households | 337,003, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.71, see rank | 2.63 | 2.63 |
| 1 Person Households | 82,572, 24.50%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 254,431, 75.50%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 239,227, 70.99%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.33, see rank | 3.36 | 3.32 |
| Married-Couple Family | 195,268, 57.94%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 97,776, 29.01%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 916,924
| Dupage County | Illinois | U.S. | |
| Total Households | 337,132, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.68, see rank | 2.59 | 2.58 |
| 1 Person Households | 81,763, 24.25%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 255,369, 75.75%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 238,014, 70.60%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.24, see rank | 3.20 | 3.14 |
| Married-Couple Family | 193,232, 57.32%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 99,118, 29.40%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 918,608
| Dupage County | Illinois | U.S. | |
| Total Households | 335,532, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.70, see rank | 2.62 | 2.61 |
| 1 Person Households | 82,100, 24.47%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 253,432, 75.53%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 238,685, 71.14%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.31, see rank | 3.34 | 3.29 |
| Married-Couple Family | 194,240, 57.89%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 96,847, 28.86%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 911,481
| Dupage County | Illinois | U.S. | |
| Total Households | 335,453, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.68, see rank | 2.61 | 2.59 |
| 1 Person Households | 82,548, 24.61%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 252,905, 75.39%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 237,829, 70.90%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.29, see rank | 3.31 | 3.25 |
| Married-Couple Family | 194,430, 57.96%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 97,624, 29.10%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 925,530
| Dupage County | Illinois | U.S. | |
| Total Households | 337,055, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.70, see rank | 2.62 | 2.60 |
| 1 Person Households | 83,048, 24.64%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 254,007, 75.36%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 238,478, 70.75%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.32, see rank | 3.34 | 3.27 |
| Married-Couple Family | 196,926, 58.43%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 98,577, 29.25%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 904,161
| Dupage County | Illinois | U.S. | |
| Total Households | 325,601, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.73, see rank | 2.63 | 2.59 |
| 1 Person Households | 74,597, 22.91%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 251,004, 77.09%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 234,354, 71.98%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.27, see rank | 3.23 | 3.14 |
| Married-Couple Family | 198,240, 60.88%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 91,247, 28.02%, 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.