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Summit, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 11,367
| Summit, IL | Illinois | U.S. | |
| Total Households | 3,136, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 3.61, see rank | 2.63 | 2.63 |
| 1 Person Households | 453, 14.45%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 2,683, 85.55%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 2,442, 77.87%, see rank | 65.52% | 66.22% |
| Average Family Size | 4.19, see rank | 3.36 | 3.32 |
| Married-Couple Family | 1,610, 51.34%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 694, 22.13%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 11,054
| Summit, IL | Illinois | U.S. | |
| Total Households | 3,284, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 3.34, see rank | 2.59 | 2.58 |
| 1 Person Households | 646, 19.67%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 2,638, 80.33%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 2,496, 76.00%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.82, see rank | 3.20 | 3.14 |
| Married-Couple Family | 1,604, 48.84%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 788, 24.00%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 11,166
| Summit, IL | Illinois | U.S. | |
| Total Households | 3,208, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 3.47, see rank | 2.62 | 2.61 |
| 1 Person Households | 588, 18.33%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 2,620, 81.67%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 2,446, 76.25%, see rank | 65.82% | 66.47% |
| Average Family Size | 4.07, see rank | 3.34 | 3.29 |
| Married-Couple Family | 1,567, 48.85%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 762, 23.75%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 10,865
| Summit, IL | Illinois | U.S. | |
| Total Households | 3,359, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 3.21, see rank | 2.61 | 2.59 |
| 1 Person Households | 783, 23.31%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 2,576, 76.69%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 2,455, 73.09%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.92, see rank | 3.31 | 3.25 |
| Married-Couple Family | 1,582, 47.10%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 904, 26.91%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 10,178
| Summit, IL | Illinois | U.S. | |
| Total Households | 3,331, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 3.06, see rank | 2.62 | 2.60 |
| 1 Person Households | 868, 26.06%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 2,463, 73.94%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 2,267, 68.06%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.89, see rank | 3.34 | 3.27 |
| Married-Couple Family | 1,467, 44.04%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 1,064, 31.94%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 10,637
| Summit, IL | Illinois | U.S. | |
| Total Households | 3,356, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 3.16, see rank | 2.63 | 2.59 |
| 1 Person Households | 773, 23.03%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 2,583, 76.97%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 2,417, 72.02%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.77, see rank | 3.23 | 3.14 |
| Married-Couple Family | 1,635, 48.72%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 939, 27.98%, 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.