USA.com / Illinois / Cook County / Winnetka, IL / Population and Races / Historical Household and Family Data
Winnetka, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 12,366
| Winnetka, IL | Illinois | U.S. | |
| Total Households | 4,043, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 3.06, see rank | 2.63 | 2.63 |
| 1 Person Households | 634, 15.68%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 3,409, 84.32%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 3,363, 83.18%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.46, see rank | 3.36 | 3.32 |
| Married-Couple Family | 3,159, 78.14%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 680, 16.82%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 12,187
| Winnetka, IL | Illinois | U.S. | |
| Total Households | 4,102, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.97, see rank | 2.59 | 2.58 |
| 1 Person Households | 710, 17.31%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 3,392, 82.69%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 3,328, 81.13%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.39, see rank | 3.20 | 3.14 |
| Married-Couple Family | 3,047, 74.28%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 774, 18.87%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 12,210
| Winnetka, IL | Illinois | U.S. | |
| Total Households | 3,885, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 3.14, see rank | 2.62 | 2.61 |
| 1 Person Households | 610, 15.70%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 3,275, 84.30%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 3,250, 83.66%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.55, see rank | 3.34 | 3.29 |
| Married-Couple Family | 2,968, 76.40%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 635, 16.34%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 12,112
| Winnetka, IL | Illinois | U.S. | |
| Total Households | 3,974, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 3.05, see rank | 2.61 | 2.59 |
| 1 Person Households | 657, 16.53%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 3,317, 83.47%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 3,295, 82.91%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.46, see rank | 3.31 | 3.25 |
| Married-Couple Family | 3,002, 75.54%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 679, 17.09%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 12,344
| Winnetka, IL | Illinois | U.S. | |
| Total Households | 4,007, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 3.08, see rank | 2.62 | 2.60 |
| 1 Person Households | 671, 16.75%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 3,336, 83.25%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 3,311, 82.63%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.51, see rank | 3.34 | 3.27 |
| Married-Couple Family | 3,047, 76.04%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 696, 17.37%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 12,419
| Winnetka, IL | Illinois | U.S. | |
| Total Households | 4,162, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.98, see rank | 2.63 | 2.59 |
| 1 Person Households | 662, 15.91%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 3,500, 84.09%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 3,433, 82.48%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.35, see rank | 3.23 | 3.14 |
| Married-Couple Family | 3,167, 76.09%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 729, 17.52%, 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.