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Chicago, Naperville, Joliet Metro Area Historical Household and Family Data
ACS 2010-2014 data
Total population: 9,516,448
| Chicago, Naperville, Joliet Area | % | U.S. | |
| Total Households | 3,438,560 | 100% | 116,211,092 |
| Average Household Size | 2.72, see rank | - | 2.63 |
| 1 Person Households | 967,362 | 28.13%, see rank | 27.57% |
| 2 or More Person Households | 2,471,198 | 71.87%, see rank | 72.43% |
| Family Households (Families) | 2,273,710 | 66.12%, see rank | 66.22% |
| Average Family Size | 3.48, see rank | - | 3.32 |
| Married-Couple Family | 1,646,724 | 47.89%, see rank | 48.42% |
| Nonfamily Households | 1,164,850 | 33.88%, see rank | 33.78% |
US Census 2010 data
Total population: 9,461,105
| Chicago, Naperville, Joliet Area | % | U.S. | |
| Total Households | 3,475,726 | 100% | 116,716,292 |
| Average Household Size | 2.68, see rank | - | 2.58 |
| 1 Person Households | 947,115 | 27.25%, see rank | 26.74% |
| 2 or More Person Households | 2,528,611 | 72.75%, see rank | 73.26% |
| Family Households (Families) | 2,307,715 | 66.40%, see rank | 66.43% |
| Average Family Size | 3.31, see rank | - | 3.14 |
| Married-Couple Family | 1,663,565 | 47.86%, see rank | 48.42% |
| Nonfamily Households | 1,168,011 | 33.60%, see rank | 33.57% |
ACS 2008-2012 data
Total population: 9,460,763
| Chicago, Naperville, Joliet Area | % | U.S. | |
| Total Households | 3,427,916 | 100% | 115,226,802 |
| Average Household Size | 2.72, see rank | - | 2.61 |
| 1 Person Households | 960,934 | 28.03%, see rank | 27.45% |
| 2 or More Person Households | 2,466,982 | 71.97%, see rank | 72.55% |
| Family Households (Families) | 2,276,411 | 66.41%, see rank | 66.47% |
| Average Family Size | 3.46, see rank | - | 3.29 |
| Married-Couple Family | 1,656,087 | 48.31%, see rank | 48.97% |
| Nonfamily Households | 1,151,505 | 33.59%, see rank | 33.53% |
ACS 2006-2010 data
Total population: 9,384,661
| Chicago, Naperville, Joliet Area | % | U.S. | |
| Total Households | 3,424,098 | 100% | 114,235,996 |
| Average Household Size | 2.70, see rank | - | 2.59 |
| 1 Person Households | 952,195 | 27.81%, see rank | 27.24% |
| 2 or More Person Households | 2,471,903 | 72.19%, see rank | 72.76% |
| Family Households (Families) | 2,285,447 | 66.75%, see rank | 66.75% |
| Average Family Size | 3.43, see rank | - | 3.25 |
| Married-Couple Family | 1,672,488 | 48.84%, see rank | 49.60% |
| Nonfamily Households | 1,138,651 | 33.25%, see rank | 33.25% |
ACS 2005-2009 data
Total population: 9,461,816
| Chicago, Naperville, Joliet Area | % | U.S. | |
| Total Households | 3,401,044 | 100% | 112,611,029 |
| Average Household Size | 2.73, see rank | - | 2.60 |
| 1 Person Households | 951,621 | 27.98%, see rank | 27.32% |
| 2 or More Person Households | 2,449,423 | 72.02%, see rank | 72.68% |
| Family Households (Families) | 2,266,971 | 66.66%, see rank | 66.67% |
| Average Family Size | 3.48, see rank | - | 3.27 |
| Married-Couple Family | 1,663,539 | 48.91%, see rank | 49.71% |
| Nonfamily Households | 1,134,073 | 33.34%, see rank | 33.33% |
* 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.