USA.com / Michigan / Washtenaw County / Willis, MI / 48191 / Population and Races / Historical Household and Family Data
48191 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 4,014
| 48191 Zip Code | Michigan | U.S. | |
| Total Households | 1,231, 100% | 3,827,880 | 116,211,092 |
| Average Household Size | 3.26, see rank | 2.52 | 2.63 |
| 1 Person Households | 167, 13.57%, see rank | 28.90% | 27.57% |
| 2 or More Person Households | 1,064, 86.43%, see rank | 71.10% | 72.43% |
| Family Households (Families) | 1,035, 84.08%, see rank | 65.34% | 66.22% |
| Average Family Size | 3.66, see rank | 3.20 | 3.32 |
| Married-Couple Family | 859, 69.78%, see rank | 48.00% | 48.42% |
| Nonfamily Households | 196, 15.92%, see rank | 34.66% | 33.78% |
US Census 2010 data
Total population: 4,054
| 48191 Zip Code | Michigan | U.S. | |
| Total Households | 1,476, 100% | 3,872,508 | 116,716,292 |
| Average Household Size | 2.75, see rank | 2.49 | 2.58 |
| 1 Person Households | 283, 19.17%, see rank | 27.88% | 26.74% |
| 2 or More Person Households | 1,193, 80.83%, see rank | 72.12% | 73.26% |
| Family Households (Families) | 1,122, 76.02%, see rank | 65.95% | 66.43% |
| Average Family Size | 3.11, see rank | 3.05 | 3.14 |
| Married-Couple Family | 866, 58.67%, see rank | 47.96% | 48.42% |
| Nonfamily Households | 354, 23.98%, see rank | 34.05% | 33.57% |
ACS 2008-2012 data
Total population: 3,781
| 48191 Zip Code | Michigan | U.S. | |
| Total Households | 1,284, 100% | 3,818,931 | 115,226,802 |
| Average Household Size | 2.94, see rank | 2.53 | 2.61 |
| 1 Person Households | 147, 11.45%, see rank | 28.58% | 27.45% |
| 2 or More Person Households | 1,137, 88.55%, see rank | 71.42% | 72.55% |
| Family Households (Families) | 1,121, 87.31%, see rank | 65.96% | 66.47% |
| Average Family Size | 3.21, see rank | 3.20 | 3.29 |
| Married-Couple Family | 912, 71.03%, see rank | 48.96% | 48.97% |
| Nonfamily Households | 163, 12.69%, see rank | 34.04% | 33.53% |
US Census 2000 data
Total population: 2,616
| 48191 Zip Code | Michigan | U.S. | |
| Total Households | 952, 100% | 3,785,661 | 105,480,101 |
| Average Household Size | 2.75, see rank | 2.56 | 2.59 |
| 1 Person Households | 160, 16.81%, see rank | 26.25% | 25.82% |
| 2 or More Person Households | 792, 83.19%, see rank | 73.75% | 74.18% |
| Family Households (Families) | 757, 79.52%, see rank | 68.04% | 68.06% |
| Average Family Size | 3.07, see rank | 3.10 | 3.14 |
| Married-Couple Family | 637, 66.91%, see rank | 51.45% | 51.66% |
| Nonfamily Households | 195, 20.48%, see rank | 31.96% | 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.