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Lake Zurich, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 19,849
| Lake Zurich, IL | Illinois | U.S. | |
| Total Households | 6,633, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.97, see rank | 2.63 | 2.63 |
| 1 Person Households | 1,080, 16.28%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 5,553, 83.72%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 5,415, 81.64%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.38, see rank | 3.36 | 3.32 |
| Married-Couple Family | 4,767, 71.87%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 1,218, 18.36%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 19,631
| Lake Zurich, IL | Illinois | U.S. | |
| Total Households | 6,563, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.96, see rank | 2.59 | 2.58 |
| 1 Person Households | 996, 15.18%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 5,567, 84.82%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 5,361, 81.69%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.32, see rank | 3.20 | 3.14 |
| Married-Couple Family | 4,605, 70.17%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 1,202, 18.31%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 19,679
| Lake Zurich, IL | Illinois | U.S. | |
| Total Households | 6,342, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 3.07, see rank | 2.62 | 2.61 |
| 1 Person Households | 872, 13.75%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 5,470, 86.25%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 5,304, 83.63%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.44, see rank | 3.34 | 3.29 |
| Married-Couple Family | 4,540, 71.59%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 1,038, 16.37%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 19,554
| Lake Zurich, IL | Illinois | U.S. | |
| Total Households | 6,183, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 3.12, see rank | 2.61 | 2.59 |
| 1 Person Households | 825, 13.34%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 5,358, 86.66%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 5,146, 83.23%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.50, see rank | 3.31 | 3.25 |
| Married-Couple Family | 4,546, 73.52%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 1,037, 16.77%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 20,178
| Lake Zurich, IL | Illinois | U.S. | |
| Total Households | 6,269, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 3.16, see rank | 2.62 | 2.60 |
| 1 Person Households | 882, 14.07%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 5,387, 85.93%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 5,186, 82.72%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.56, see rank | 3.34 | 3.27 |
| Married-Couple Family | 4,630, 73.86%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 1,083, 17.28%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 18,104
| Lake Zurich, IL | Illinois | U.S. | |
| Total Households | 5,746, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 3.12, see rank | 2.63 | 2.59 |
| 1 Person Households | 713, 12.41%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 5,033, 87.59%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 4,869, 84.74%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.42, see rank | 3.23 | 3.14 |
| Married-Couple Family | 4,329, 75.34%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 877, 15.26%, 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.