USA.com / Illinois / Rock Island County / Rapids City, IL / 61278 / Population and Races / Historical Household and Family Data
61278 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 291
| 61278 Zip Code | Illinois | U.S. | |
| Total Households | 110, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.65, see rank | 2.63 | 2.63 |
| 1 Person Households | 21, 19.09%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 89, 80.91%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 85, 77.27%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.08, see rank | 3.36 | 3.32 |
| Married-Couple Family | 74, 67.27%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 25, 22.73%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 412
| 61278 Zip Code | Illinois | U.S. | |
| Total Households | 169, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.44, see rank | 2.59 | 2.58 |
| 1 Person Households | 34, 20.12%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 135, 79.88%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 124, 73.37%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.81, see rank | 3.20 | 3.14 |
| Married-Couple Family | 106, 62.72%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 45, 26.63%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 309
| 61278 Zip Code | Illinois | U.S. | |
| Total Households | 125, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.47, see rank | 2.62 | 2.61 |
| 1 Person Households | 25, 20.00%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 100, 80.00%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 96, 76.80%, see rank | 65.82% | 66.47% |
| Average Family Size | 2.89, see rank | 3.34 | 3.29 |
| Married-Couple Family | 86, 68.80%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 29, 23.20%, see rank | 34.18% | 33.53% |
* 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.